{"items":[{"id":"NVI-00007721","kind":"vulnerability","title":"YOURLS has stored XSS in referrer statistics chart via crafted Referer header","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-5h77-88j3-r659","CVE-2026-63135"],"plain_summary":"GitHub lists this reviewed advisory for yourls/yourls. 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-289c44e7102a954a40cec6493152897d"],"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 1.10.4 for yourls/yourls. Confirm the publisher’s latest guidance.","source_ids":["sr-e6202ab10b297b8f8867bb757e5b7a32"],"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":"2026-08-21T20:57:24.000Z","value":"8.2 high","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-4cc2dac6ccb688f2a994bf3fde4179d3"},{"kind":"CVSS","as_of":"2026-10-14T21:10:00.183Z","value":"8.2 HIGH (3.1)","meaning":"security-advisories@github.com severity; no combined Null risk score.","source_id":"sr-476632feee01f3a5a1828373728985c3"},{"kind":"EPSS","as_of":"2026-11-01T12:00:16.000Z","value":"0.425%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.36812. Missing scores are unknown.","source_id":"sr-289c44e7102a954a40cec6493152897d"}],"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-4cc2dac6ccb688f2a994bf3fde4179d3","url":"https://github.com/advisories/GHSA-5h77-88j3-r659","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-5h77-88j3-r659","publisher":"GitHub Advisory Database","observed_at":"2026-11-02T09:56:46.713Z"},{"id":"sr-e6202ab10b297b8f8867bb757e5b7a32","url":"https://github.com/advisories/GHSA-5h77-88j3-r659","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-5h77-88j3-r659","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:41:59.922Z"},{"id":"sr-476632feee01f3a5a1828373728985c3","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-63135","basis":"official_catalog","notes":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","title":"CVE-2026-63135","publisher":"NIST National Vulnerability Database","observed_at":"2026-11-04T02:47:38.696Z"},{"id":"sr-289c44e7102a954a40cec6493152897d","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-2026-63135","publisher":"FIRST EPSS","observed_at":"2026-11-01T14:28:32.284Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-4cc2dac6ccb688f2a994bf3fde4179d3"],"technology":"yourls/yourls","known_exclusions":[],"conditions_summary":"### Summary\n\nYOURLS stores the HTTP `Referer` header for short URL redirects and later renders aggregated referrer domains in the per-link statistics page. An unauthenticated attacker can send a crafted `Referer` header to any existing short URL. When an authenticated administrator or stats-page viewer opens that short URL's statistics page, the crafted referrer is embedded into Google Charts JavaScript without JavaScript-string escaping, causing stored cross-site scripting.\n\nThis is reachable in default private installations when authenticated users view stats, and in documented configurations where `YOURLS_PRIVATE_INFOS` is set to `false` to make statistics pages public.\n\n### Details\n\nThe vulnerable source-to-sink path is:\n\n```text\nHTTP Referer header\n  -> yourls_get_referrer()\n  -> yourls_sanitize_url_safe()\n  -> yourls_log_redirect()\n  -> log table referrer column\n  -> yourls-infos.php referrer aggregation\n  -> yourls_get_domain()\n  -> yourls_stats_pie()\n  -> yourls_google_array_to_data_table()\n  -> inline JavaScript\n```\n\nRelevant code:\n\n- `includes/functions.php:240-243`: `yourls_get_referrer()` reads `$_SERVER['HTTP_REFERER']`, calls `yourls_sanitize_url_safe()`, and truncate","public_affected_ranges":[">= 1.5.1, <= 1.10.3"]},{"certainty":"source_listed","source_ids":["sr-e6202ab10b297b8f8867bb757e5b7a32"],"technology":"yourls/yourls","known_exclusions":[],"conditions_summary":"### Summary\n\nYOURLS stores the HTTP `Referer` header for short URL redirects and later renders aggregated referrer domains in the per-link statistics page. An unauthenticated attacker can send a crafted `Referer` header to any existing short URL. When an authenticated administrator or stats-page viewer opens that short URL's statistics page, the crafted referrer is embedded into Google Charts JavaScript without JavaScript-string escaping, causing stored cross-site scripting.\n\nThis is reachable in default private installations when authenticated users view stats, and in documented configurations where `YOURLS_PRIVATE_INFOS` is set to `false` to make statistics pages public.\n\n### Details\n\nThe vulnerable source-to-sink path is:\n\n```text\nHTTP Referer header\n  -> yourls_get_referrer()\n  -> yourls_sanitize_url_safe()\n  -> yourls_log_redirect()\n  -> log table referrer column\n  -> yourls-infos.php referrer aggregation\n  -> yourls_get_domain()\n  -> yourls_stats_pie()\n  -> yourls_google_array_to_data_table()\n  -> inline JavaScript\n```\n\nRelevant code:\n\n- `includes/functions.php:240-243`: `yourls_get_referrer()` reads `$_SERVER['HTTP_REFERER']`, calls `yourls_sanitize_url_safe()`, and truncate","public_affected_ranges":["ECOSYSTEM: introduced 1.5.1; fixed 1.10.4"]}],"null_published_at":"2026-11-06T15:18:11.444Z","source_updated_at":"2026-08-21T20:57:24.000Z","source_disclosed_at":"2026-08-21T20:57:23.000Z","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":"2026-10-31T21:41:59.922Z"},{"id":"NVI-00007721","kind":"vulnerability","title":"YOURLS has stored XSS in referrer statistics chart via crafted Referer header","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-5h77-88j3-r659","CVE-2026-63135"],"plain_summary":"GitHub lists this reviewed advisory for yourls/yourls. 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-20522662293204c6b06d57789f732be9"],"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 1.10.4 for yourls/yourls. Confirm the publisher’s latest guidance.","source_ids":["sr-e6202ab10b297b8f8867bb757e5b7a32"],"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":"2026-08-21T20:57:24.000Z","value":"8.2 high","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-4cc2dac6ccb688f2a994bf3fde4179d3"},{"kind":"CVSS","as_of":"2026-10-14T21:10:00.183Z","value":"8.2 HIGH (3.1)","meaning":"security-advisories@github.com severity; no combined Null risk score.","source_id":"sr-476632feee01f3a5a1828373728985c3"},{"kind":"EPSS","as_of":"2026-10-31T12:00:27.000Z","value":"0.425%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.36821. Missing scores are unknown.","source_id":"sr-20522662293204c6b06d57789f732be9"}],"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-4cc2dac6ccb688f2a994bf3fde4179d3","url":"https://github.com/advisories/GHSA-5h77-88j3-r659","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-5h77-88j3-r659","publisher":"GitHub Advisory Database","observed_at":"2026-11-02T09:56:46.713Z"},{"id":"sr-e6202ab10b297b8f8867bb757e5b7a32","url":"https://github.com/advisories/GHSA-5h77-88j3-r659","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-5h77-88j3-r659","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:41:59.922Z"},{"id":"sr-476632feee01f3a5a1828373728985c3","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-63135","basis":"official_catalog","notes":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","title":"CVE-2026-63135","publisher":"NIST National Vulnerability Database","observed_at":"2026-11-04T02:47:38.696Z"},{"id":"sr-20522662293204c6b06d57789f732be9","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-2026-63135","publisher":"FIRST EPSS","observed_at":"2026-10-31T22:06:15.384Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-4cc2dac6ccb688f2a994bf3fde4179d3"],"technology":"yourls/yourls","known_exclusions":[],"conditions_summary":"### Summary\n\nYOURLS stores the HTTP `Referer` header for short URL redirects and later renders aggregated referrer domains in the per-link statistics page. An unauthenticated attacker can send a crafted `Referer` header to any existing short URL. When an authenticated administrator or stats-page viewer opens that short URL's statistics page, the crafted referrer is embedded into Google Charts JavaScript without JavaScript-string escaping, causing stored cross-site scripting.\n\nThis is reachable in default private installations when authenticated users view stats, and in documented configurations where `YOURLS_PRIVATE_INFOS` is set to `false` to make statistics pages public.\n\n### Details\n\nThe vulnerable source-to-sink path is:\n\n```text\nHTTP Referer header\n  -> yourls_get_referrer()\n  -> yourls_sanitize_url_safe()\n  -> yourls_log_redirect()\n  -> log table referrer column\n  -> yourls-infos.php referrer aggregation\n  -> yourls_get_domain()\n  -> yourls_stats_pie()\n  -> yourls_google_array_to_data_table()\n  -> inline JavaScript\n```\n\nRelevant code:\n\n- `includes/functions.php:240-243`: `yourls_get_referrer()` reads `$_SERVER['HTTP_REFERER']`, calls `yourls_sanitize_url_safe()`, and truncate","public_affected_ranges":[">= 1.5.1, <= 1.10.3"]},{"certainty":"source_listed","source_ids":["sr-e6202ab10b297b8f8867bb757e5b7a32"],"technology":"yourls/yourls","known_exclusions":[],"conditions_summary":"### Summary\n\nYOURLS stores the HTTP `Referer` header for short URL redirects and later renders aggregated referrer domains in the per-link statistics page. An unauthenticated attacker can send a crafted `Referer` header to any existing short URL. When an authenticated administrator or stats-page viewer opens that short URL's statistics page, the crafted referrer is embedded into Google Charts JavaScript without JavaScript-string escaping, causing stored cross-site scripting.\n\nThis is reachable in default private installations when authenticated users view stats, and in documented configurations where `YOURLS_PRIVATE_INFOS` is set to `false` to make statistics pages public.\n\n### Details\n\nThe vulnerable source-to-sink path is:\n\n```text\nHTTP Referer header\n  -> yourls_get_referrer()\n  -> yourls_sanitize_url_safe()\n  -> yourls_log_redirect()\n  -> log table referrer column\n  -> yourls-infos.php referrer aggregation\n  -> yourls_get_domain()\n  -> yourls_stats_pie()\n  -> yourls_google_array_to_data_table()\n  -> inline JavaScript\n```\n\nRelevant code:\n\n- `includes/functions.php:240-243`: `yourls_get_referrer()` reads `$_SERVER['HTTP_REFERER']`, calls `yourls_sanitize_url_safe()`, and truncate","public_affected_ranges":["ECOSYSTEM: introduced 1.5.1; fixed 1.10.4"]}],"null_published_at":"2026-11-05T19:10:23.236Z","source_updated_at":"2026-08-21T20:57:24.000Z","source_disclosed_at":"2026-08-21T20:57:23.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Source facts changed; compare the preserved prior revision.","null_first_observed_at":"2026-10-31T21:41:59.922Z"},{"id":"NVI-00007721","kind":"vulnerability","title":"YOURLS has stored XSS in referrer statistics chart via crafted Referer header","revision":3,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-5h77-88j3-r659","CVE-2026-63135"],"plain_summary":"GitHub lists this reviewed advisory for yourls/yourls. 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-20522662293204c6b06d57789f732be9"],"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 1.10.4 for yourls/yourls. Confirm the publisher’s latest guidance.","source_ids":["sr-e6202ab10b297b8f8867bb757e5b7a32"],"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":"2026-08-21T20:57:24.000Z","value":"8.2 high","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-4cc2dac6ccb688f2a994bf3fde4179d3"},{"kind":"EPSS","as_of":"2026-10-31T12:00:27.000Z","value":"0.425%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.36821. Missing scores are unknown.","source_id":"sr-20522662293204c6b06d57789f732be9"}],"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-4cc2dac6ccb688f2a994bf3fde4179d3","url":"https://github.com/advisories/GHSA-5h77-88j3-r659","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-5h77-88j3-r659","publisher":"GitHub Advisory Database","observed_at":"2026-11-02T09:56:46.713Z"},{"id":"sr-e6202ab10b297b8f8867bb757e5b7a32","url":"https://github.com/advisories/GHSA-5h77-88j3-r659","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-5h77-88j3-r659","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:41:59.922Z"},{"id":"sr-20522662293204c6b06d57789f732be9","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-2026-63135","publisher":"FIRST EPSS","observed_at":"2026-10-31T22:06:15.384Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-4cc2dac6ccb688f2a994bf3fde4179d3"],"technology":"yourls/yourls","known_exclusions":[],"conditions_summary":"### Summary\n\nYOURLS stores the HTTP `Referer` header for short URL redirects and later renders aggregated referrer domains in the per-link statistics page. An unauthenticated attacker can send a crafted `Referer` header to any existing short URL. When an authenticated administrator or stats-page viewer opens that short URL's statistics page, the crafted referrer is embedded into Google Charts JavaScript without JavaScript-string escaping, causing stored cross-site scripting.\n\nThis is reachable in default private installations when authenticated users view stats, and in documented configurations where `YOURLS_PRIVATE_INFOS` is set to `false` to make statistics pages public.\n\n### Details\n\nThe vulnerable source-to-sink path is:\n\n```text\nHTTP Referer header\n  -> yourls_get_referrer()\n  -> yourls_sanitize_url_safe()\n  -> yourls_log_redirect()\n  -> log table referrer column\n  -> yourls-infos.php referrer aggregation\n  -> yourls_get_domain()\n  -> yourls_stats_pie()\n  -> yourls_google_array_to_data_table()\n  -> inline JavaScript\n```\n\nRelevant code:\n\n- `includes/functions.php:240-243`: `yourls_get_referrer()` reads `$_SERVER['HTTP_REFERER']`, calls `yourls_sanitize_url_safe()`, and truncate","public_affected_ranges":[">= 1.5.1, <= 1.10.3"]},{"certainty":"source_listed","source_ids":["sr-e6202ab10b297b8f8867bb757e5b7a32"],"technology":"yourls/yourls","known_exclusions":[],"conditions_summary":"### Summary\n\nYOURLS stores the HTTP `Referer` header for short URL redirects and later renders aggregated referrer domains in the per-link statistics page. An unauthenticated attacker can send a crafted `Referer` header to any existing short URL. When an authenticated administrator or stats-page viewer opens that short URL's statistics page, the crafted referrer is embedded into Google Charts JavaScript without JavaScript-string escaping, causing stored cross-site scripting.\n\nThis is reachable in default private installations when authenticated users view stats, and in documented configurations where `YOURLS_PRIVATE_INFOS` is set to `false` to make statistics pages public.\n\n### Details\n\nThe vulnerable source-to-sink path is:\n\n```text\nHTTP Referer header\n  -> yourls_get_referrer()\n  -> yourls_sanitize_url_safe()\n  -> yourls_log_redirect()\n  -> log table referrer column\n  -> yourls-infos.php referrer aggregation\n  -> yourls_get_domain()\n  -> yourls_stats_pie()\n  -> yourls_google_array_to_data_table()\n  -> inline JavaScript\n```\n\nRelevant code:\n\n- `includes/functions.php:240-243`: `yourls_get_referrer()` reads `$_SERVER['HTTP_REFERER']`, calls `yourls_sanitize_url_safe()`, and truncate","public_affected_ranges":["ECOSYSTEM: introduced 1.5.1; fixed 1.10.4"]}],"null_published_at":"2026-11-02T10:00:37.210Z","source_updated_at":"2026-08-21T20:57:24.000Z","source_disclosed_at":"2026-08-21T20:57:23.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Source facts changed; compare the preserved prior revision.","null_first_observed_at":"2026-10-31T21:41:59.922Z"},{"id":"NVI-00007721","kind":"vulnerability","title":"YOURLS has stored XSS in referrer statistics chart via crafted Referer header","revision":2,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-5h77-88j3-r659","CVE-2026-63135"],"plain_summary":"OSV carries this publisher advisory for yourls/yourls. 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 1.10.4 for yourls/yourls. Confirm the publisher’s latest guidance.","source_ids":["sr-e6202ab10b297b8f8867bb757e5b7a32"],"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},{"summary":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-20522662293204c6b06d57789f732be9"],"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}],"schema_version":"1.1.0","source_metrics":[{"kind":"EPSS","as_of":"2026-10-31T12:00:27.000Z","value":"0.425%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.36821. Missing scores are unknown.","source_id":"sr-20522662293204c6b06d57789f732be9"}],"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-e6202ab10b297b8f8867bb757e5b7a32","url":"https://github.com/advisories/GHSA-5h77-88j3-r659","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-5h77-88j3-r659","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:41:59.922Z"},{"id":"sr-20522662293204c6b06d57789f732be9","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-2026-63135","publisher":"FIRST EPSS","observed_at":"2026-10-31T22:06:15.384Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-e6202ab10b297b8f8867bb757e5b7a32"],"technology":"yourls/yourls","known_exclusions":[],"conditions_summary":"### Summary\n\nYOURLS stores the HTTP `Referer` header for short URL redirects and later renders aggregated referrer domains in the per-link statistics page. An unauthenticated attacker can send a crafted `Referer` header to any existing short URL. When an authenticated administrator or stats-page viewer opens that short URL's statistics page, the crafted referrer is embedded into Google Charts JavaScript without JavaScript-string escaping, causing stored cross-site scripting.\n\nThis is reachable in default private installations when authenticated users view stats, and in documented configurations where `YOURLS_PRIVATE_INFOS` is set to `false` to make statistics pages public.\n\n### Details\n\nThe vulnerable source-to-sink path is:\n\n```text\nHTTP Referer header\n  -> yourls_get_referrer()\n  -> yourls_sanitize_url_safe()\n  -> yourls_log_redirect()\n  -> log table referrer column\n  -> yourls-infos.php referrer aggregation\n  -> yourls_get_domain()\n  -> yourls_stats_pie()\n  -> yourls_google_array_to_data_table()\n  -> inline JavaScript\n```\n\nRelevant code:\n\n- `includes/functions.php:240-243`: `yourls_get_referrer()` reads `$_SERVER['HTTP_REFERER']`, calls `yourls_sanitize_url_safe()`, and truncate","public_affected_ranges":["ECOSYSTEM: introduced 1.5.1; fixed 1.10.4"]}],"null_published_at":"2026-10-31T22:27:09.608Z","source_updated_at":"2026-08-21T21:10:59.760Z","source_disclosed_at":"2026-08-21T20:57:23.000Z","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":"2026-10-31T21:41:59.922Z"},{"id":"NVI-00007721","kind":"vulnerability","title":"YOURLS has stored XSS in referrer statistics chart via crafted Referer header","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-5h77-88j3-r659","CVE-2026-63135"],"plain_summary":"OSV carries this publisher advisory for yourls/yourls. 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 1.10.4 for yourls/yourls. Confirm the publisher’s latest guidance.","source_ids":["sr-e6202ab10b297b8f8867bb757e5b7a32"],"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-e6202ab10b297b8f8867bb757e5b7a32","url":"https://github.com/advisories/GHSA-5h77-88j3-r659","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-5h77-88j3-r659","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:41:59.922Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-e6202ab10b297b8f8867bb757e5b7a32"],"technology":"yourls/yourls","known_exclusions":[],"conditions_summary":"### Summary\n\nYOURLS stores the HTTP `Referer` header for short URL redirects and later renders aggregated referrer domains in the per-link statistics page. An unauthenticated attacker can send a crafted `Referer` header to any existing short URL. When an authenticated administrator or stats-page viewer opens that short URL's statistics page, the crafted referrer is embedded into Google Charts JavaScript without JavaScript-string escaping, causing stored cross-site scripting.\n\nThis is reachable in default private installations when authenticated users view stats, and in documented configurations where `YOURLS_PRIVATE_INFOS` is set to `false` to make statistics pages public.\n\n### Details\n\nThe vulnerable source-to-sink path is:\n\n```text\nHTTP Referer header\n  -> yourls_get_referrer()\n  -> yourls_sanitize_url_safe()\n  -> yourls_log_redirect()\n  -> log table referrer column\n  -> yourls-infos.php referrer aggregation\n  -> yourls_get_domain()\n  -> yourls_stats_pie()\n  -> yourls_google_array_to_data_table()\n  -> inline JavaScript\n```\n\nRelevant code:\n\n- `includes/functions.php:240-243`: `yourls_get_referrer()` reads `$_SERVER['HTTP_REFERER']`, calls `yourls_sanitize_url_safe()`, and truncate","public_affected_ranges":["ECOSYSTEM: introduced 1.5.1; fixed 1.10.4"]}],"null_published_at":"2026-10-31T22:13:18.632Z","source_updated_at":"2026-08-21T21:10:59.760Z","source_disclosed_at":"2026-08-21T20:57:23.000Z","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":"2026-10-31T21:41:59.922Z"}],"next_cursor":null,"snapshot_revision":"40769"}