{"id":"CVE-2026-49977","revision":null,"records":[{"revision":"b9043a3fe70d4e5fac3be5fe2f08716c","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-49977","aliases":[],"title":"tarteaucitron.js: data-cookie attribute can be used to delete arbitrary cookies","description":"tarteaucitron.js is a compliant and accessible cookie banner. Prior to 1.33.0, tarteaucitron.cookie.purge() is called on any element with the purgeBtn class and does not check whether the element is a legitimate tarteaucitron button or whether the cookie corresponds to a service handled by tarteaucitron. If an attacker can write HTML with data attributes, an element with data-cookie can silently delete a non-HttpOnly cookie with a known name when clicked by a user. This issue is fixed in version 1.33.0.","state":0,"publishedAt":"2026-07-17T20:21:21.476+00:00","modifiedAt":"2026-07-20T19:11:28.659+00:00","affected":[{"ecosystem":"Vendor product","name":"tarteaucitron.js","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"AmauriC\",\n                    \"product\": \"tarteaucitron.js\",\n                    \"versions\": [\n                        {\n                            \"version\": \"< 1.33.0\",\n                            \"status\": \"affected\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N","score":4.3,"severity":"MEDIUM"}],"references":["https://github.com/AmauriC/tarteaucitron.js/security/advisories/GHSA-jxj7-g6gm-49j7","https://github.com/AmauriC/tarteaucitron.js/commit/24b5464400ae2ff1ad96a092c629b9d632b9cc93","https://github.com/AmauriC/tarteaucitron.js/releases/tag/v1.33.0"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-49977","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-49977","identifiers":["CVE-2026-49977"]},"retained":false,"historicalAffected":[]},{"revision":"4cba8d41e51749519dd3a31e0deb16e6","observedAt":"2026-10-25T12:17:38.331+00:00","statement":{"source":"nvd","id":"CVE-2026-49977","aliases":[],"title":"tarteaucitron.js is a compliant and accessible cookie banner. Prior to 1.33.0, tarteaucitron.cookie.purge() is called on any element with the purgeBtn class and does not check whether the element is a legitimate tarteaucitron button or whet…","description":"tarteaucitron.js is a compliant and accessible cookie banner. Prior to 1.33.0, tarteaucitron.cookie.purge() is called on any element with the purgeBtn class and does not check whether the element is a legitimate tarteaucitron button or whether the cookie corresponds to a service handled by tarteaucitron. If an attacker can write HTML with data attributes, an element with data-cookie can silently delete a non-HttpOnly cookie with a known name when clicked by a user. This issue is fixed in version 1.33.0.","state":0,"publishedAt":"2026-07-17T21:17:06.93+00:00","modifiedAt":"2026-10-24T20:10:00.137+00:00","affected":[],"metrics":[{"system":"CVSS 3.1 · security-advisories@github.com · Secondary","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N","score":4.3,"severity":"MEDIUM"}],"references":["https://github.com/AmauriC/tarteaucitron.js/commit/24b5464400ae2ff1ad96a092c629b9d632b9cc93","https://github.com/AmauriC/tarteaucitron.js/releases/tag/v1.33.0","https://github.com/AmauriC/tarteaucitron.js/security/advisories/GHSA-jxj7-g6gm-49j7","https://www.drupal.org/sa-contrib-2026-040"],"sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-49977","license":"NIST NVD usage terms; underlying source attribution retained","enrichment":{"sourceStatus":"Deferred","weaknesses":["CWE-285"],"productCriteria":[],"sourceDates":{"published":"2026-07-17T21:17:06.930","lastModified":"2026-10-24T20:10:00.137"},"relatedAdvisories":[],"note":"NVD analysis and CPE criteria are source context, not proof that a package or your environment is affected. Complete affected data, logical configurations and SSVC are retained in the original JSON."},"key":"nvd:CVE-2026-49977","identifiers":["CVE-2026-49977"]},"retained":false,"historicalAffected":[]},{"revision":"d9fee5df889d45bc9c77818592a6da55","observedAt":"2026-10-24T13:17:17.793+00:00","statement":{"source":"osv","id":"GHSA-jxj7-g6gm-49j7","aliases":["CVE-2026-49977"],"title":"tarteaucitron: data-cookie attribute can be used to delete arbitrary cookies","description":"### Summary\n\ntarteaucitron provides a list of cookies and buttons to delete them. If an attacker can write HTML with data attributes, they could create an element that silently deletes a cookie when clicked and trick a user to delete this cookie.\n\n### Details\n\n`tarteaucitron.cookie.purge()` is called on any element with the `purgeBtn` class. It does not check if the element is a legitimate tarteaucitron button or if the cookie corresponds to a service handled by tarteaucitron.\n\n### PoC\n\n```html\n<a class=\"purgeBtn\" data-cookie=\"foo\">Click me!</a>\n```\n\nIf someone has a cookie with this name and clicks on the link, the cookie is silently deleted.\n\n### Impact\n\nThe impact is limited because this only works on cookies without HttpOnly=true and the attacker has to know the name of the cookie.","state":0,"publishedAt":"2026-07-10T16:05:00+00:00","modifiedAt":"2026-07-10T16:26:41.089772+00:00","affected":[{"ecosystem":"npm","name":"tarteaucitronjs","ranges":[{"type":"SEMVER","events":[{"kind":"introduced","version":"0"},{"kind":"fixed","version":"1.33.0"}]}],"versions":[],"rawVersionEvidence":null}],"metrics":[{"system":"CVSS_V3","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N","score":null,"severity":null},{"system":"Publisher rating","vector":null,"score":null,"severity":"MODERATE"}],"references":["https://github.com/AmauriC/tarteaucitron.js/security/advisories/GHSA-jxj7-g6gm-49j7","https://github.com/AmauriC/tarteaucitron.js"],"sourceUrl":"https://github.com/advisories/GHSA-jxj7-g6gm-49j7","license":"GitHub Advisory Database · CC-BY-4.0","key":"osv:GHSA-jxj7-g6gm-49j7","identifiers":["GHSA-jxj7-g6gm-49j7","CVE-2026-49977"]},"retained":false,"historicalAffected":[]}],"coverage":[{"source":"cisa-kev:global","scope":"Complete CISA KEV catalog; all vendors. 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