{"action":"Upgrade apostrophe to 4.33.0 or later.","affected":[{"fixed":"4.33.0","introduced":"0"}],"component":"apostrophe","cve_ids":["CVE-2026-113659"],"ecosystem":"npm","exploited":false,"fixed_versions":["4.33.0"],"ghsa_id":"GHSA-m2m5-rw3w-cwmj","id":"tcs_01M5JK8G67FCN7K2BVMTNYJC1D","modified_at":"2026-10-20T18:30:04.605117382Z","published_at":"2026-10-20T18:18:49Z","references":["https://osv.dev/vulnerability/GHSA-m2m5-rw3w-cwmj","https://github.com/apostrophecms/apostrophe/security/advisories/GHSA-m2m5-rw3w-cwmj","https://github.com/apostrophecms/apostrophe/commit/9500b8b0e1d630d5e07fbb5fd2c25ed0943845ce","https://github.com/apostrophecms/apostrophe/commit/f84fd41cbf6c22eb8d0008fc9c25df1f7130b350","https://github.com/apostrophecms/apostrophe","https://github.com/apostrophecms/apostrophe/releases/tag/apostrophe@4.33.0"],"severity":{"label":"medium","score":6.1},"sources":[{"source":"osv","source_id":"GHSA-m2m5-rw3w-cwmj","url":"https://osv.dev/vulnerability/GHSA-m2m5-rw3w-cwmj"}],"summary":"ApostropheCMS: Client-side Prototype Pollution in apos.http.parseQuery leading to DOM-based XSS against authenticated users"}