{"items":[{"id":"NVI-00007053","kind":"vulnerability","title":"Slim has Reflected XSS in the HtmlErrorRenderer","revision":5,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected.","NVD lastModified does not establish freshness of every associated CPE record."],"lifecycle":"active","identifiers":["GHSA-53h4-8rc4-f539","CVE-2026-48157"],"plain_summary":"GitHub lists this reviewed advisory for slim/slim. Published version ranges and source prerequisites are shown below; this is not an inspection of a visitor’s application.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-145c0be6218816a73b7318dc7005114e"],"action_type":"investigate","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null},{"summary":"The original advisory lists fixed boundaries 4.15.2 for slim/slim. Confirm the publisher’s latest guidance.","source_ids":["sr-ccd8c0c63be09990819800ce58e069ef"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null}],"schema_version":"1.1.0","source_metrics":[{"kind":"CVSS","as_of":"2026-06-23T21:54:08.000Z","value":"6.1 medium","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-00926861ba88901c02f33b3d6454befd"},{"kind":"CVSS","as_of":"2026-10-25T23:10:00.167Z","value":"6.1 MEDIUM (3.1)","meaning":"security-advisories@github.com severity; no combined Null risk score.","source_id":"sr-bafe3375c578f8307d41556272554ab0"},{"kind":"EPSS","as_of":"2026-11-04T12:03:12.000Z","value":"0.167%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.0601. Missing scores are unknown.","source_id":"sr-145c0be6218816a73b7318dc7005114e"}],"why_it_matters":"Published affected context helps an owner decide what evidence to gather. This report has not examined your application.","related_sources":[{"id":"sr-00926861ba88901c02f33b3d6454befd","url":"https://github.com/advisories/GHSA-53h4-8rc4-f539","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-53h4-8rc4-f539","publisher":"GitHub Advisory Database","observed_at":"2026-11-05T19:06:16.668Z"},{"id":"sr-ccd8c0c63be09990819800ce58e069ef","url":"https://github.com/advisories/GHSA-53h4-8rc4-f539","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-53h4-8rc4-f539","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:41:49.676Z"},{"id":"sr-bafe3375c578f8307d41556272554ab0","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-48157","basis":"official_catalog","notes":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","title":"CVE-2026-48157","publisher":"NIST National Vulnerability Database","observed_at":"2026-11-01T07:24:22.913Z"},{"id":"sr-145c0be6218816a73b7318dc7005114e","url":"https://www.first.org/epss/data.html","basis":"official_catalog","notes":"FIRST EPSS; probability of exploitation in the next 30 days, not local compromise. Dataset date/model retained; FIRST services terms apply.","title":"CVE-2026-48157","publisher":"FIRST EPSS","observed_at":"2026-11-04T17:58:50.329Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-00926861ba88901c02f33b3d6454befd"],"technology":"slim/slim","known_exclusions":[],"conditions_summary":"### Impact\n\nIf an application uses `HttpException::setTitle()` and/or `setDescription()` to include untrusted/request-derived data in the error title or description (e.g. `\"No products found matching '{$query}'.\"`), an attacker could inject arbitrary HTML/JavaScript that executes in the victim's browser when they encounter an HTML error page generated by Slim.\n\nThe vulnerability is present even with `displayErrorDetails = false` as the unescaped title and description are rendered on this error path.\n\nBuilt-in exceptions (`HttpNotFoundException`, `HttpBadRequestException`, etc.) ship plain-text defaults, so a vanilla Slim app with no user code is not exploitable. Only applications that feed untrusted data into `setTitle()` and/or `setDescription()` are affected.\n\n### Patches\n\nThe issue is fixed in 4.15.2.\n\n### Workarounds\n\nWithout upgrading, applications can:\n\n- Avoid passing untrusted/request-derived data into `HttpException::setTitle()` and `setDescription()`. Use static, plain-text error copy instead.\n- Register a custom error renderer (an `ErrorRendererInterface` implementation, or a subclass of `HtmlErrorRenderer` that escapes the title and description) for the HTML media type.","public_affected_ranges":[">= 4.4.0, <= 4.15.1"]},{"certainty":"source_listed","source_ids":["sr-ccd8c0c63be09990819800ce58e069ef"],"technology":"slim/slim","known_exclusions":[],"conditions_summary":"### Impact\n\nIf an application uses `HttpException::setTitle()` and/or `setDescription()` to include untrusted/request-derived data in the error title or description (e.g. `\"No products found matching '{$query}'.\"`), an attacker could inject arbitrary HTML/JavaScript that executes in the victim's browser when they encounter an HTML error page generated by Slim.\n\nThe vulnerability is present even with `displayErrorDetails = false` as the unescaped title and description are rendered on this error path.\n\nBuilt-in exceptions (`HttpNotFoundException`, `HttpBadRequestException`, etc.) ship plain-text defaults, so a vanilla Slim app with no user code is not exploitable. Only applications that feed untrusted data into `setTitle()` and/or `setDescription()` are affected.\n\n### Patches\n\nThe issue is fixed in 4.15.2.\n\n### Workarounds\n\nWithout upgrading, applications can:\n\n- Avoid passing untrusted/request-derived data into `HttpException::setTitle()` and `setDescription()`. Use static, plain-text error copy instead.\n- Register a custom error renderer (an `ErrorRendererInterface` implementation, or a subclass of `HtmlErrorRenderer` that escapes the title and description) for the HTML media type.","public_affected_ranges":["ECOSYSTEM: introduced 4.4.0; fixed 4.15.2"]}],"null_published_at":"2026-11-08T08:10:32.030Z","source_updated_at":"2026-06-23T21:54:08.000Z","source_disclosed_at":"2026-06-23T21:54:06.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Dated EPSS estimate updated; this is not a new disclosure or proof of exploitation.","null_first_observed_at":"2026-10-31T21:41:49.676Z"},{"id":"NVI-00007053","kind":"vulnerability","title":"Slim has Reflected XSS in the HtmlErrorRenderer","revision":4,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected.","NVD lastModified does not establish freshness of every associated CPE record."],"lifecycle":"active","identifiers":["GHSA-53h4-8rc4-f539","CVE-2026-48157"],"plain_summary":"GitHub lists this reviewed advisory for slim/slim. Published version ranges and source prerequisites are shown below; this is not an inspection of a visitor’s application.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-c87cc7c54ff09a7236bfe189744710a4"],"action_type":"investigate","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null},{"summary":"The original advisory lists fixed boundaries 4.15.2 for slim/slim. Confirm the publisher’s latest guidance.","source_ids":["sr-ccd8c0c63be09990819800ce58e069ef"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null}],"schema_version":"1.1.0","source_metrics":[{"kind":"CVSS","as_of":"2026-06-23T21:54:08.000Z","value":"6.1 medium","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-00926861ba88901c02f33b3d6454befd"},{"kind":"CVSS","as_of":"2026-10-25T23:10:00.167Z","value":"6.1 MEDIUM (3.1)","meaning":"security-advisories@github.com severity; no combined Null risk score.","source_id":"sr-bafe3375c578f8307d41556272554ab0"},{"kind":"EPSS","as_of":"2026-10-31T12:00:27.000Z","value":"0.167%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.05949. Missing scores are unknown.","source_id":"sr-c87cc7c54ff09a7236bfe189744710a4"}],"why_it_matters":"Published affected context helps an owner decide what evidence to gather. This report has not examined your application.","related_sources":[{"id":"sr-00926861ba88901c02f33b3d6454befd","url":"https://github.com/advisories/GHSA-53h4-8rc4-f539","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-53h4-8rc4-f539","publisher":"GitHub Advisory Database","observed_at":"2026-11-05T19:06:16.668Z"},{"id":"sr-ccd8c0c63be09990819800ce58e069ef","url":"https://github.com/advisories/GHSA-53h4-8rc4-f539","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-53h4-8rc4-f539","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:41:49.676Z"},{"id":"sr-bafe3375c578f8307d41556272554ab0","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-48157","basis":"official_catalog","notes":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","title":"CVE-2026-48157","publisher":"NIST National Vulnerability Database","observed_at":"2026-11-01T07:24:22.913Z"},{"id":"sr-c87cc7c54ff09a7236bfe189744710a4","url":"https://www.first.org/epss/data.html","basis":"official_catalog","notes":"FIRST EPSS; probability of exploitation in the next 30 days, not local compromise. Dataset date/model retained; FIRST services terms apply.","title":"CVE-2026-48157","publisher":"FIRST EPSS","observed_at":"2026-10-31T22:06:15.381Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-00926861ba88901c02f33b3d6454befd"],"technology":"slim/slim","known_exclusions":[],"conditions_summary":"### Impact\n\nIf an application uses `HttpException::setTitle()` and/or `setDescription()` to include untrusted/request-derived data in the error title or description (e.g. `\"No products found matching '{$query}'.\"`), an attacker could inject arbitrary HTML/JavaScript that executes in the victim's browser when they encounter an HTML error page generated by Slim.\n\nThe vulnerability is present even with `displayErrorDetails = false` as the unescaped title and description are rendered on this error path.\n\nBuilt-in exceptions (`HttpNotFoundException`, `HttpBadRequestException`, etc.) ship plain-text defaults, so a vanilla Slim app with no user code is not exploitable. Only applications that feed untrusted data into `setTitle()` and/or `setDescription()` are affected.\n\n### Patches\n\nThe issue is fixed in 4.15.2.\n\n### Workarounds\n\nWithout upgrading, applications can:\n\n- Avoid passing untrusted/request-derived data into `HttpException::setTitle()` and `setDescription()`. Use static, plain-text error copy instead.\n- Register a custom error renderer (an `ErrorRendererInterface` implementation, or a subclass of `HtmlErrorRenderer` that escapes the title and description) for the HTML media type.","public_affected_ranges":[">= 4.4.0, <= 4.15.1"]},{"certainty":"source_listed","source_ids":["sr-ccd8c0c63be09990819800ce58e069ef"],"technology":"slim/slim","known_exclusions":[],"conditions_summary":"### Impact\n\nIf an application uses `HttpException::setTitle()` and/or `setDescription()` to include untrusted/request-derived data in the error title or description (e.g. `\"No products found matching '{$query}'.\"`), an attacker could inject arbitrary HTML/JavaScript that executes in the victim's browser when they encounter an HTML error page generated by Slim.\n\nThe vulnerability is present even with `displayErrorDetails = false` as the unescaped title and description are rendered on this error path.\n\nBuilt-in exceptions (`HttpNotFoundException`, `HttpBadRequestException`, etc.) ship plain-text defaults, so a vanilla Slim app with no user code is not exploitable. Only applications that feed untrusted data into `setTitle()` and/or `setDescription()` are affected.\n\n### Patches\n\nThe issue is fixed in 4.15.2.\n\n### Workarounds\n\nWithout upgrading, applications can:\n\n- Avoid passing untrusted/request-derived data into `HttpException::setTitle()` and `setDescription()`. Use static, plain-text error copy instead.\n- Register a custom error renderer (an `ErrorRendererInterface` implementation, or a subclass of `HtmlErrorRenderer` that escapes the title and description) for the HTML media type.","public_affected_ranges":["ECOSYSTEM: introduced 4.4.0; fixed 4.15.2"]}],"null_published_at":"2026-11-06T21:03:48.027Z","source_updated_at":"2026-06-23T21:54:08.000Z","source_disclosed_at":"2026-06-23T21:54:06.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Dated EPSS estimate updated; this is not a new disclosure or proof of exploitation.","null_first_observed_at":"2026-10-31T21:41:49.676Z"},{"id":"NVI-00007053","kind":"vulnerability","title":"Slim has Reflected XSS in the HtmlErrorRenderer","revision":3,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected.","NVD lastModified does not establish freshness of every associated CPE record."],"lifecycle":"active","identifiers":["GHSA-53h4-8rc4-f539","CVE-2026-48157"],"plain_summary":"GitHub lists this reviewed advisory for slim/slim. Published version ranges and source prerequisites are shown below; this is not an inspection of a visitor’s application.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-bafe3375c578f8307d41556272554ab0"],"action_type":"investigate","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null},{"summary":"The original advisory lists fixed boundaries 4.15.2 for slim/slim. Confirm the publisher’s latest guidance.","source_ids":["sr-ccd8c0c63be09990819800ce58e069ef"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null}],"schema_version":"1.1.0","source_metrics":[{"kind":"CVSS","as_of":"2026-06-23T21:54:08.000Z","value":"6.1 medium","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-00926861ba88901c02f33b3d6454befd"},{"kind":"CVSS","as_of":"2026-10-25T23:10:00.167Z","value":"6.1 MEDIUM (3.1)","meaning":"security-advisories@github.com severity; no combined Null risk score.","source_id":"sr-bafe3375c578f8307d41556272554ab0"}],"why_it_matters":"Published affected context helps an owner decide what evidence to gather. This report has not examined your application.","related_sources":[{"id":"sr-00926861ba88901c02f33b3d6454befd","url":"https://github.com/advisories/GHSA-53h4-8rc4-f539","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-53h4-8rc4-f539","publisher":"GitHub Advisory Database","observed_at":"2026-11-05T19:06:16.668Z"},{"id":"sr-ccd8c0c63be09990819800ce58e069ef","url":"https://github.com/advisories/GHSA-53h4-8rc4-f539","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-53h4-8rc4-f539","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:41:49.676Z"},{"id":"sr-bafe3375c578f8307d41556272554ab0","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-48157","basis":"official_catalog","notes":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","title":"CVE-2026-48157","publisher":"NIST National Vulnerability Database","observed_at":"2026-11-01T07:24:22.913Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-00926861ba88901c02f33b3d6454befd"],"technology":"slim/slim","known_exclusions":[],"conditions_summary":"### Impact\n\nIf an application uses `HttpException::setTitle()` and/or `setDescription()` to include untrusted/request-derived data in the error title or description (e.g. `\"No products found matching '{$query}'.\"`), an attacker could inject arbitrary HTML/JavaScript that executes in the victim's browser when they encounter an HTML error page generated by Slim.\n\nThe vulnerability is present even with `displayErrorDetails = false` as the unescaped title and description are rendered on this error path.\n\nBuilt-in exceptions (`HttpNotFoundException`, `HttpBadRequestException`, etc.) ship plain-text defaults, so a vanilla Slim app with no user code is not exploitable. Only applications that feed untrusted data into `setTitle()` and/or `setDescription()` are affected.\n\n### Patches\n\nThe issue is fixed in 4.15.2.\n\n### Workarounds\n\nWithout upgrading, applications can:\n\n- Avoid passing untrusted/request-derived data into `HttpException::setTitle()` and `setDescription()`. Use static, plain-text error copy instead.\n- Register a custom error renderer (an `ErrorRendererInterface` implementation, or a subclass of `HtmlErrorRenderer` that escapes the title and description) for the HTML media type.","public_affected_ranges":[">= 4.4.0, <= 4.15.1"]},{"certainty":"source_listed","source_ids":["sr-ccd8c0c63be09990819800ce58e069ef"],"technology":"slim/slim","known_exclusions":[],"conditions_summary":"### Impact\n\nIf an application uses `HttpException::setTitle()` and/or `setDescription()` to include untrusted/request-derived data in the error title or description (e.g. `\"No products found matching '{$query}'.\"`), an attacker could inject arbitrary HTML/JavaScript that executes in the victim's browser when they encounter an HTML error page generated by Slim.\n\nThe vulnerability is present even with `displayErrorDetails = false` as the unescaped title and description are rendered on this error path.\n\nBuilt-in exceptions (`HttpNotFoundException`, `HttpBadRequestException`, etc.) ship plain-text defaults, so a vanilla Slim app with no user code is not exploitable. Only applications that feed untrusted data into `setTitle()` and/or `setDescription()` are affected.\n\n### Patches\n\nThe issue is fixed in 4.15.2.\n\n### Workarounds\n\nWithout upgrading, applications can:\n\n- Avoid passing untrusted/request-derived data into `HttpException::setTitle()` and `setDescription()`. Use static, plain-text error copy instead.\n- Register a custom error renderer (an `ErrorRendererInterface` implementation, or a subclass of `HtmlErrorRenderer` that escapes the title and description) for the HTML media type.","public_affected_ranges":["ECOSYSTEM: introduced 4.4.0; fixed 4.15.2"]}],"null_published_at":"2026-11-06T15:18:17.700Z","source_updated_at":"2026-06-23T21:54:08.000Z","source_disclosed_at":"2026-06-23T21:54:06.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Source facts changed; compare the preserved prior revision.","null_first_observed_at":"2026-10-31T21:41:49.676Z"},{"id":"NVI-00007053","kind":"vulnerability","title":"Slim has Reflected XSS in the HtmlErrorRenderer","revision":2,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-53h4-8rc4-f539","CVE-2026-48157"],"plain_summary":"GitHub lists this reviewed advisory for slim/slim. Published version ranges and source prerequisites are shown below; this is not an inspection of a visitor’s application.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-00926861ba88901c02f33b3d6454befd"],"action_type":"investigate","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null},{"summary":"The original advisory lists fixed boundaries 4.15.2 for slim/slim. Confirm the publisher’s latest guidance.","source_ids":["sr-ccd8c0c63be09990819800ce58e069ef"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null}],"schema_version":"1.1.0","source_metrics":[{"kind":"CVSS","as_of":"2026-06-23T21:54:08.000Z","value":"6.1 medium","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-00926861ba88901c02f33b3d6454befd"}],"why_it_matters":"Published affected context helps an owner decide what evidence to gather. This report has not examined your application.","related_sources":[{"id":"sr-00926861ba88901c02f33b3d6454befd","url":"https://github.com/advisories/GHSA-53h4-8rc4-f539","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-53h4-8rc4-f539","publisher":"GitHub Advisory Database","observed_at":"2026-11-05T19:06:16.668Z"},{"id":"sr-ccd8c0c63be09990819800ce58e069ef","url":"https://github.com/advisories/GHSA-53h4-8rc4-f539","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-53h4-8rc4-f539","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:41:49.676Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-00926861ba88901c02f33b3d6454befd"],"technology":"slim/slim","known_exclusions":[],"conditions_summary":"### Impact\n\nIf an application uses `HttpException::setTitle()` and/or `setDescription()` to include untrusted/request-derived data in the error title or description (e.g. `\"No products found matching '{$query}'.\"`), an attacker could inject arbitrary HTML/JavaScript that executes in the victim's browser when they encounter an HTML error page generated by Slim.\n\nThe vulnerability is present even with `displayErrorDetails = false` as the unescaped title and description are rendered on this error path.\n\nBuilt-in exceptions (`HttpNotFoundException`, `HttpBadRequestException`, etc.) ship plain-text defaults, so a vanilla Slim app with no user code is not exploitable. Only applications that feed untrusted data into `setTitle()` and/or `setDescription()` are affected.\n\n### Patches\n\nThe issue is fixed in 4.15.2.\n\n### Workarounds\n\nWithout upgrading, applications can:\n\n- Avoid passing untrusted/request-derived data into `HttpException::setTitle()` and `setDescription()`. Use static, plain-text error copy instead.\n- Register a custom error renderer (an `ErrorRendererInterface` implementation, or a subclass of `HtmlErrorRenderer` that escapes the title and description) for the HTML media type.","public_affected_ranges":[">= 4.4.0, <= 4.15.1"]},{"certainty":"source_listed","source_ids":["sr-ccd8c0c63be09990819800ce58e069ef"],"technology":"slim/slim","known_exclusions":[],"conditions_summary":"### Impact\n\nIf an application uses `HttpException::setTitle()` and/or `setDescription()` to include untrusted/request-derived data in the error title or description (e.g. `\"No products found matching '{$query}'.\"`), an attacker could inject arbitrary HTML/JavaScript that executes in the victim's browser when they encounter an HTML error page generated by Slim.\n\nThe vulnerability is present even with `displayErrorDetails = false` as the unescaped title and description are rendered on this error path.\n\nBuilt-in exceptions (`HttpNotFoundException`, `HttpBadRequestException`, etc.) ship plain-text defaults, so a vanilla Slim app with no user code is not exploitable. Only applications that feed untrusted data into `setTitle()` and/or `setDescription()` are affected.\n\n### Patches\n\nThe issue is fixed in 4.15.2.\n\n### Workarounds\n\nWithout upgrading, applications can:\n\n- Avoid passing untrusted/request-derived data into `HttpException::setTitle()` and `setDescription()`. Use static, plain-text error copy instead.\n- Register a custom error renderer (an `ErrorRendererInterface` implementation, or a subclass of `HtmlErrorRenderer` that escapes the title and description) for the HTML media type.","public_affected_ranges":["ECOSYSTEM: introduced 4.4.0; fixed 4.15.2"]}],"null_published_at":"2026-11-05T19:10:21.389Z","source_updated_at":"2026-06-23T21:54:08.000Z","source_disclosed_at":"2026-06-23T21:54:06.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Source facts changed; compare the preserved prior revision.","null_first_observed_at":"2026-10-31T21:41:49.676Z"},{"id":"NVI-00007053","kind":"vulnerability","title":"Slim has Reflected XSS in the HtmlErrorRenderer","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-53h4-8rc4-f539","CVE-2026-48157"],"plain_summary":"OSV carries this publisher advisory for slim/slim. This is an aggregated source copy; consult the original publisher and compare update dates.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"The original advisory lists fixed boundaries 4.15.2 for slim/slim. Confirm the publisher’s latest guidance.","source_ids":["sr-ccd8c0c63be09990819800ce58e069ef"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null}],"schema_version":"1.1.0","source_metrics":[],"why_it_matters":"Published affected context helps an owner decide what evidence to gather. This report has not examined your application.","related_sources":[{"id":"sr-ccd8c0c63be09990819800ce58e069ef","url":"https://github.com/advisories/GHSA-53h4-8rc4-f539","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-53h4-8rc4-f539","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:41:49.676Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-ccd8c0c63be09990819800ce58e069ef"],"technology":"slim/slim","known_exclusions":[],"conditions_summary":"### Impact\n\nIf an application uses `HttpException::setTitle()` and/or `setDescription()` to include untrusted/request-derived data in the error title or description (e.g. `\"No products found matching '{$query}'.\"`), an attacker could inject arbitrary HTML/JavaScript that executes in the victim's browser when they encounter an HTML error page generated by Slim.\n\nThe vulnerability is present even with `displayErrorDetails = false` as the unescaped title and description are rendered on this error path.\n\nBuilt-in exceptions (`HttpNotFoundException`, `HttpBadRequestException`, etc.) ship plain-text defaults, so a vanilla Slim app with no user code is not exploitable. Only applications that feed untrusted data into `setTitle()` and/or `setDescription()` are affected.\n\n### Patches\n\nThe issue is fixed in 4.15.2.\n\n### Workarounds\n\nWithout upgrading, applications can:\n\n- Avoid passing untrusted/request-derived data into `HttpException::setTitle()` and `setDescription()`. Use static, plain-text error copy instead.\n- Register a custom error renderer (an `ErrorRendererInterface` implementation, or a subclass of `HtmlErrorRenderer` that escapes the title and description) for the HTML media type.","public_affected_ranges":["ECOSYSTEM: introduced 4.4.0; fixed 4.15.2"]}],"null_published_at":"2026-10-31T22:13:14.309Z","source_updated_at":"2026-09-10T03:50:48.274Z","source_disclosed_at":"2026-06-23T21:54:06.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"First indexed by Null; source disclosure date is shown separately.","null_first_observed_at":"2026-10-31T21:41:49.676Z"}],"next_cursor":null,"snapshot_revision":"42594"}