{"id":"EUVD-2026-105207","enisaUuid":"5733d7e4-4041-3ef1-b652-081e58102902","description":"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\u0027s session; anonymous visitors do not load the affected admin context. This issue is fixed in version 4.33.0.","datePublished":"Oct 20, 2026, 5:00:59 PM","dateUpdated":"Oct 20, 2026, 5:00:59 PM","baseScore":6.1,"baseScoreVersion":"3.1","baseScoreVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","references":"https://github.com/apostrophecms/apostrophe/security/advisories/GHSA-m2m5-rw3w-cwmj\nhttps://github.com/apostrophecms/apostrophe/commit/9500b8b0e1d630d5e07fbb5fd2c25ed0943845ce\nhttps://github.com/apostrophecms/apostrophe/commit/f84fd41cbf6c22eb8d0008fc9c25df1f7130b350\nhttps://github.com/apostrophecms/apostrophe/releases/tag/apostrophe@4.33.0\n","aliases":"CVE-2026-113659\nGHSA-m2m5-rw3w-cwmj\n","assigner":"GitHub_M","epss":0.35,"enisaIdProduct":[{"id":"c78cbd1e-214b-3cd6-b1ff-3ba8e79b678c","product":{"name":"Apostrophe ","vendor":{"name":"apostrophecms"}},"product_version":"\u003c 4.33.0"}],"enisaIdVendor":[{"id":"f0e1890e-1c13-31d2-b606-0f2bb7d5462a","vendor":{"name":"apostrophecms"}}],"enisaIdVulnerability":[{"id":"0f224e38-7b8b-3e80-8241-667375f91888","vulnerability":{"id":"CVE-2026-113659","description":"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\u0027s session; anonymous visitors do not load the affected admin context. This issue is fixed in version 4.33.0.","datePublished":"Oct 20, 2026, 5:00:59 PM","dateUpdated":"Oct 20, 2026, 5:00:59 PM","status":"PUBLISHED","baseScore":6.1,"baseScoreVersion":"3.1","baseScoreVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","references":"https://github.com/apostrophecms/apostrophe/security/advisories/GHSA-m2m5-rw3w-cwmj\nhttps://github.com/apostrophecms/apostrophe/commit/9500b8b0e1d630d5e07fbb5fd2c25ed0943845ce\nhttps://github.com/apostrophecms/apostrophe/commit/f84fd41cbf6c22eb8d0008fc9c25df1f7130b350\nhttps://github.com/apostrophecms/apostrophe/releases/tag/apostrophe@4.33.0\n","enisa_id":"EUVD-2026-105207\n","assigner":"GitHub_M","epss":0.35,"dataProcessed":"Oct 27, 2026, 7:15:10 AM","vulnerabilityProduct":[{"id":"1b20f304-851a-3836-8efd-6e93d94fee61","product":{"name":"Apostrophe ","vendor":{"name":"apostrophecms"}},"product_version":"\u003c 4.33.0"}],"vulnerabilityVendor":[{"id":"7740226a-64fc-3a8d-ab5d-ea5f9ccb9609","vendor":{"name":"apostrophecms"}}]}},{"id":"410a844f-9e33-30d9-8b0d-b3bcf7e4f178","vulnerability":{"id":"GHSA-m2m5-rw3w-cwmj","description":"ApostropheCMS: Client-side Prototype Pollution in apos.http.parseQuery leading to DOM-based XSS against authenticated users","datePublished":"Oct 20, 2026, 6:18:49 PM","dateUpdated":"Oct 20, 2026, 6:18:49 PM","baseScore":0.0,"references":"https://github.com/apostrophecms/apostrophe/security/advisories/GHSA-m2m5-rw3w-cwmj\nhttps://github.com/apostrophecms/apostrophe/commit/9500b8b0e1d630d5e07fbb5fd2c25ed0943845ce\nhttps://github.com/apostrophecms/apostrophe/commit/f84fd41cbf6c22eb8d0008fc9c25df1f7130b350\nhttps://github.com/apostrophecms/apostrophe\nhttps://github.com/apostrophecms/apostrophe/releases/tag/apostrophe@4.33.0\n","enisa_id":"EUVD-2026-105207\n","aliases":"CVE-2026-113659\nGHSA-m2m5-rw3w-cwmj\n","epss":0.0,"dataProcessed":"Oct 27, 2026, 7:03:17 AM","vulnerabilityProduct":[],"vulnerabilityVendor":[]}}],"enisaIdAdvisory":[]}