{"items":[{"id":"NVI-00011862","kind":"vulnerability","title":"ApostropheCMS: Color field validation bypass allows stored XSS via HTML appended after rgb()/hsl() prefix","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-vmgj-9cwm-cf3h","CVE-2026-112951"],"plain_summary":"GitHub lists this reviewed advisory for apostrophe. 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-2754d0580eceb8968f6bbde6e000fa9e"],"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 4.34.0 for apostrophe. Confirm the publisher’s latest guidance.","source_ids":["sr-fdb7f20bd3ac4e7846fbe30cb2934dce"],"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":"2026-10-21T17:05:44.000Z","value":"5.4 medium","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-480ee24e54f014634e5063f266a550db"},{"kind":"CVSS","as_of":"2026-10-20T19:53:10.247Z","value":"5.4 MEDIUM (3.1)","meaning":"security-advisories@github.com severity; no combined Null risk score.","source_id":"sr-3ec992945ea5a9b5e208729d732e2d22"},{"kind":"EPSS","as_of":"2026-11-01T12:00:16.000Z","value":"0.304%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.23185. Missing scores are unknown.","source_id":"sr-2754d0580eceb8968f6bbde6e000fa9e"}],"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-480ee24e54f014634e5063f266a550db","url":"https://github.com/advisories/GHSA-vmgj-9cwm-cf3h","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-vmgj-9cwm-cf3h","publisher":"GitHub Advisory Database","observed_at":"2026-10-31T23:13:39.183Z"},{"id":"sr-fdb7f20bd3ac4e7846fbe30cb2934dce","url":"https://github.com/advisories/GHSA-vmgj-9cwm-cf3h","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-vmgj-9cwm-cf3h","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-11-07T00:53:09.731Z"},{"id":"sr-3ec992945ea5a9b5e208729d732e2d22","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-112951","basis":"official_catalog","notes":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","title":"CVE-2026-112951","publisher":"NIST National Vulnerability Database","observed_at":"2026-11-03T09:58:44.915Z"},{"id":"sr-2754d0580eceb8968f6bbde6e000fa9e","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-2026-112951","publisher":"FIRST EPSS","observed_at":"2026-11-01T14:28:32.265Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-480ee24e54f014634e5063f266a550db"],"technology":"apostrophe","known_exclusions":[],"conditions_summary":"### Summary\nThe color field accepts any string that *begins* with a valid `rgb()` / `hsl()` color, because `TinyColor.isValid` does not anchor its match at the end of the string. An authenticated user with edit rights can store arbitrary HTML after a valid color prefix. When the stored value is rendered , the payload executes, resulting in stored XSS.\n\n### Details\nServer-side validation of the color field relies on TinyColor:\n\n```js\nconst { TinyColor } = require('@ctrl/tinycolor');\nif (!new TinyColor(value).isValid) throw self.apos.error('invalid');\n```\n\nTinyColor's `rgb`/`hsl` matchers are not anchored at the end of the string, while hex matchers are. Tested with @ctrl/tinycolor\n\n| Input | `isValid` |\n|---|---|\n| `rgb(1,2,3)` | `true` |\n| `rgb(1,2,3)alert(1)` | `true` |\n| `hsl(0,100%,50%);--x:1}alert(1)` | `true` |\n| `#ff0000` | `false` |\n\nThe value is saved to MongoDB unchanged (not normalized to hex8).\n\n### Relation to GHSA-97v6-998m-fp4g\nGHSA-97v6 addressed CSS custom property injection escaping a `` context. The root cause (validation that accepts trailing conten","public_affected_ranges":["< 4.34.0"]},{"certainty":"source_listed","source_ids":["sr-fdb7f20bd3ac4e7846fbe30cb2934dce"],"technology":"apostrophe","known_exclusions":[],"conditions_summary":"### Summary\nThe color field accepts any string that *begins* with a valid `rgb()` / `hsl()` color, because `TinyColor.isValid` does not anchor its match at the end of the string. An authenticated user with edit rights can store arbitrary HTML after a valid color prefix. When the stored value is rendered , the payload executes, resulting in stored XSS.\n\n### Details\nServer-side validation of the color field relies on TinyColor:\n\n```js\nconst { TinyColor } = require('@ctrl/tinycolor');\nif (!new TinyColor(value).isValid) throw self.apos.error('invalid');\n```\n\nTinyColor's `rgb`/`hsl` matchers are not anchored at the end of the string, while hex matchers are. Tested with @ctrl/tinycolor\n\n| Input | `isValid` |\n|---|---|\n| `rgb(1,2,3)` | `true` |\n| `rgb(1,2,3)alert(1)` | `true` |\n| `hsl(0,100%,50%);--x:1}alert(1)` | `true` |\n| `#ff0000` | `false` |\n\nThe value is saved to MongoDB unchanged (not normalized to hex8).\n\n### Relation to GHSA-97v6-998m-fp4g\nGHSA-97v6 addressed CSS custom property injection escaping a `` context. The root cause (validation that accepts trailing conten","public_affected_ranges":["SEMVER: introduced 0; fixed 4.34.0"]}],"null_published_at":"2026-11-07T00:57:04.328Z","source_updated_at":"2026-10-21T17:05:44.000Z","source_disclosed_at":"2026-10-21T17:05:44.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Source facts changed; compare the preserved prior revision.","null_first_observed_at":"2026-10-31T23:13:39.183Z"},{"id":"NVI-00011862","kind":"vulnerability","title":"ApostropheCMS: Color field validation bypass allows stored XSS via HTML appended after rgb()/hsl() prefix","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-vmgj-9cwm-cf3h","CVE-2026-112951"],"plain_summary":"GitHub lists this reviewed advisory for apostrophe. 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-2754d0580eceb8968f6bbde6e000fa9e"],"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":"CVSS","as_of":"2026-10-21T17:05:44.000Z","value":"5.4 medium","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-480ee24e54f014634e5063f266a550db"},{"kind":"CVSS","as_of":"2026-10-20T19:53:10.247Z","value":"5.4 MEDIUM (3.1)","meaning":"security-advisories@github.com severity; no combined Null risk score.","source_id":"sr-3ec992945ea5a9b5e208729d732e2d22"},{"kind":"EPSS","as_of":"2026-11-01T12:00:16.000Z","value":"0.304%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.23185. Missing scores are unknown.","source_id":"sr-2754d0580eceb8968f6bbde6e000fa9e"}],"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-480ee24e54f014634e5063f266a550db","url":"https://github.com/advisories/GHSA-vmgj-9cwm-cf3h","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-vmgj-9cwm-cf3h","publisher":"GitHub Advisory Database","observed_at":"2026-10-31T23:13:39.183Z"},{"id":"sr-3ec992945ea5a9b5e208729d732e2d22","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-112951","basis":"official_catalog","notes":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","title":"CVE-2026-112951","publisher":"NIST National Vulnerability Database","observed_at":"2026-11-03T09:58:44.915Z"},{"id":"sr-2754d0580eceb8968f6bbde6e000fa9e","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-2026-112951","publisher":"FIRST EPSS","observed_at":"2026-11-01T14:28:32.265Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-480ee24e54f014634e5063f266a550db"],"technology":"apostrophe","known_exclusions":[],"conditions_summary":"### Summary\nThe color field accepts any string that *begins* with a valid `rgb()` / `hsl()` color, because `TinyColor.isValid` does not anchor its match at the end of the string. An authenticated user with edit rights can store arbitrary HTML after a valid color prefix. When the stored value is rendered , the payload executes, resulting in stored XSS.\n\n### Details\nServer-side validation of the color field relies on TinyColor:\n\n```js\nconst { TinyColor } = require('@ctrl/tinycolor');\nif (!new TinyColor(value).isValid) throw self.apos.error('invalid');\n```\n\nTinyColor's `rgb`/`hsl` matchers are not anchored at the end of the string, while hex matchers are. Tested with @ctrl/tinycolor\n\n| Input | `isValid` |\n|---|---|\n| `rgb(1,2,3)` | `true` |\n| `rgb(1,2,3)alert(1)` | `true` |\n| `hsl(0,100%,50%);--x:1}alert(1)` | `true` |\n| `#ff0000` | `false` |\n\nThe value is saved to MongoDB unchanged (not normalized to hex8).\n\n### Relation to GHSA-97v6-998m-fp4g\nGHSA-97v6 addressed CSS custom property injection escaping a `` context. The root cause (validation that accepts trailing conten","public_affected_ranges":["< 4.34.0"]}],"null_published_at":"2026-11-06T15:18:11.431Z","source_updated_at":"2026-10-21T17:05:44.000Z","source_disclosed_at":"2026-10-21T17:05:44.000Z","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":"2026-10-31T23:13:39.183Z"},{"id":"NVI-00011862","kind":"vulnerability","title":"ApostropheCMS: Color field validation bypass allows stored XSS via HTML appended after rgb()/hsl() prefix","revision":2,"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-vmgj-9cwm-cf3h","CVE-2026-112951"],"plain_summary":"GitHub lists this reviewed advisory for apostrophe. 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-3ec992945ea5a9b5e208729d732e2d22"],"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":"CVSS","as_of":"2026-10-21T17:05:44.000Z","value":"5.4 medium","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-480ee24e54f014634e5063f266a550db"},{"kind":"CVSS","as_of":"2026-10-20T19:53:10.247Z","value":"5.4 MEDIUM (3.1)","meaning":"security-advisories@github.com severity; no combined Null risk score.","source_id":"sr-3ec992945ea5a9b5e208729d732e2d22"}],"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-480ee24e54f014634e5063f266a550db","url":"https://github.com/advisories/GHSA-vmgj-9cwm-cf3h","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-vmgj-9cwm-cf3h","publisher":"GitHub Advisory Database","observed_at":"2026-10-31T23:13:39.183Z"},{"id":"sr-3ec992945ea5a9b5e208729d732e2d22","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-112951","basis":"official_catalog","notes":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","title":"CVE-2026-112951","publisher":"NIST National Vulnerability Database","observed_at":"2026-11-03T09:58:44.915Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-480ee24e54f014634e5063f266a550db"],"technology":"apostrophe","known_exclusions":[],"conditions_summary":"### Summary\nThe color field accepts any string that *begins* with a valid `rgb()` / `hsl()` color, because `TinyColor.isValid` does not anchor its match at the end of the string. An authenticated user with edit rights can store arbitrary HTML after a valid color prefix. When the stored value is rendered , the payload executes, resulting in stored XSS.\n\n### Details\nServer-side validation of the color field relies on TinyColor:\n\n```js\nconst { TinyColor } = require('@ctrl/tinycolor');\nif (!new TinyColor(value).isValid) throw self.apos.error('invalid');\n```\n\nTinyColor's `rgb`/`hsl` matchers are not anchored at the end of the string, while hex matchers are. Tested with @ctrl/tinycolor\n\n| Input | `isValid` |\n|---|---|\n| `rgb(1,2,3)` | `true` |\n| `rgb(1,2,3)alert(1)` | `true` |\n| `hsl(0,100%,50%);--x:1}alert(1)` | `true` |\n| `#ff0000` | `false` |\n\nThe value is saved to MongoDB unchanged (not normalized to hex8).\n\n### Relation to GHSA-97v6-998m-fp4g\nGHSA-97v6 addressed CSS custom property injection escaping a `` context. The root cause (validation that accepts trailing conten","public_affected_ranges":["< 4.34.0"]}],"null_published_at":"2026-11-04T10:04:35.938Z","source_updated_at":"2026-10-21T17:05:44.000Z","source_disclosed_at":"2026-10-21T17:05:44.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Source facts changed; compare the preserved prior revision.","null_first_observed_at":"2026-10-31T23:13:39.183Z"},{"id":"NVI-00011862","kind":"vulnerability","title":"ApostropheCMS: Color field validation bypass allows stored XSS via HTML appended after rgb()/hsl() prefix","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-vmgj-9cwm-cf3h","CVE-2026-112951"],"plain_summary":"GitHub lists this reviewed advisory for apostrophe. 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-480ee24e54f014634e5063f266a550db"],"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":"CVSS","as_of":"2026-10-21T17:05:44.000Z","value":"5.4 medium","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-480ee24e54f014634e5063f266a550db"}],"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-480ee24e54f014634e5063f266a550db","url":"https://github.com/advisories/GHSA-vmgj-9cwm-cf3h","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-vmgj-9cwm-cf3h","publisher":"GitHub Advisory Database","observed_at":"2026-10-31T23:13:39.183Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-480ee24e54f014634e5063f266a550db"],"technology":"apostrophe","known_exclusions":[],"conditions_summary":"### Summary\nThe color field accepts any string that *begins* with a valid `rgb()` / `hsl()` color, because `TinyColor.isValid` does not anchor its match at the end of the string. An authenticated user with edit rights can store arbitrary HTML after a valid color prefix. When the stored value is rendered , the payload executes, resulting in stored XSS.\n\n### Details\nServer-side validation of the color field relies on TinyColor:\n\n```js\nconst { TinyColor } = require('@ctrl/tinycolor');\nif (!new TinyColor(value).isValid) throw self.apos.error('invalid');\n```\n\nTinyColor's `rgb`/`hsl` matchers are not anchored at the end of the string, while hex matchers are. Tested with @ctrl/tinycolor\n\n| Input | `isValid` |\n|---|---|\n| `rgb(1,2,3)` | `true` |\n| `rgb(1,2,3)alert(1)` | `true` |\n| `hsl(0,100%,50%);--x:1}alert(1)` | `true` |\n| `#ff0000` | `false` |\n\nThe value is saved to MongoDB unchanged (not normalized to hex8).\n\n### Relation to GHSA-97v6-998m-fp4g\nGHSA-97v6 addressed CSS custom property injection escaping a `` context. The root cause (validation that accepts trailing conten","public_affected_ranges":["< 4.34.0"]}],"null_published_at":"2026-11-01T01:03:56.611Z","source_updated_at":"2026-10-21T17:05:44.000Z","source_disclosed_at":"2026-10-21T17:05:44.000Z","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":"2026-10-31T23:13:39.183Z"}],"next_cursor":null,"snapshot_revision":"42594"}