{"id":"CVE-2026-49977","sourceIdentifier":"security-advisories@github.com","published":"2026-07-17T21:17:06.930","lastModified":"2026-10-24T20:10:00.137","vulnStatus":"Deferred","cveTags":[],"descriptions":[{"lang":"en","value":"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."},{"lang":"es","value":"tarteaucitron.js es un banner de cookies conforme y accesible. Antes de 1.33.0, tarteaucitron.cookie.purge() se llama en cualquier elemento con la clase purgeBtn y no verifica si el elemento es un botón legítimo de tarteaucitron o si la cookie corresponde a un servicio gestionado por tarteaucitron. Si un atacante puede escribir HTML con atributos de datos, un elemento con data-cookie puede eliminar silenciosamente una cookie no HttpOnly con un nombre conocido cuando un usuario hace clic en él. Este problema está solucionado en la versión 1.33.0."}],"affected":[{"source":"security-advisories@github.com","affectedData":[{"vendor":"AmauriC","product":"tarteaucitron.js","versions":[{"version":"< 1.33.0","status":"affected"}]}]}],"metrics":{"cvssMetricV31":[{"source":"security-advisories@github.com","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N","baseScore":4.3,"baseSeverity":"MEDIUM","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"REQUIRED","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"LOW","availabilityImpact":"NONE"},"exploitabilityScore":2.8,"impactScore":1.4}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"timestamp":"2026-07-20T18:51:55.083424Z","id":"CVE-2026-49977","options":[{"exploitation":"none"},{"automatable":"no"},{"technicalImpact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}]},"weaknesses":[{"source":"security-advisories@github.com","type":"Secondary","description":[{"lang":"en","value":"CWE-285"}]}],"references":[{"url":"https://github.com/AmauriC/tarteaucitron.js/commit/24b5464400ae2ff1ad96a092c629b9d632b9cc93","source":"security-advisories@github.com"},{"url":"https://github.com/AmauriC/tarteaucitron.js/releases/tag/v1.33.0","source":"security-advisories@github.com"},{"url":"https://github.com/AmauriC/tarteaucitron.js/security/advisories/GHSA-jxj7-g6gm-49j7","source":"security-advisories@github.com"},{"url":"https://www.drupal.org/sa-contrib-2026-040","source":"af854a3a-2127-422b-91ae-364da2661108"}]}