CVE-2026-113659

CVE-2026-113659 · ApostropheCMS: Client-side Prototype Pollution in apos.http.parseQuery leading to DOM-based XSS against authenticated users

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ApostropheCMS is an open-source Node.js content management system. Prior to 4.33.0, an unauthenticated attacker can send a crafted link whose query string is automatically parsed by apos.http.parseQuery when an authenticated victim loads a page with the admin bundle. The parser accepts the special __proto__, constructor, and prototype path keys, allowing browser prototype mutation that can reach an unsafe DOM sink and execute script in the victim's session; anonymous visitors do not load the affected admin context. This issue is fixed in version 4.33.0.

CVSS 6.1 · Moyenne · EPSS 0,3% · Code d’exploitation public · Correctif disponible

Publication

2026-10-20T17:00:59.007Z

Mise à jour

2026-10-28T13:59:49.929Z

Pile logicielle: node

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