{"id":"CVE-2025-49576","aliases":["GHSA-86xf-2mgp-gv3g"],"url":"https://o3.security/vulnerability/CVE-2025-49576","summary":"Citizen allows stored XSS in search no result messages","details":"### Summary\nThe `citizen-search-noresults-title` and `citizen-search-noresults-desc` system messages are inserted into raw HTML, allowing anybody who can edit those messages to insert arbitrary HTML into the DOM.\n\n### Details\nThe system messages are inserted as raw HTML by the mustache template:\nhttps://github.com/StarCitizenTools/mediawiki-skins-Citizen/blob/407052e7069bdeae927d6f1a2a1c9a45b473bf9a/resources/skins.citizen.search/templates/TypeaheadPlaceholder.mustache#L8-L9\n\n\n### PoC\n1. Edit `citizen-search-noresults-title` and `citizen-search-noresults-desc` to `<img src=\"\" onerror=\"alert('citizen-search-noresults-title')\">` and `<img src=\"\" onerror=\"alert('citizen-search-noresults-desc')\">` (script tags don't work here due to the way the HTML is inserted)\n2. Open the search bar and search for a page that doesn't exist to get the \"no results\" messages to show up\n\n![image](https://github.com/user-attachments/assets/cf2963bc-5c86-4a4d-8574-de92d89d6d81)\n![image](https://github.com/user-attachments/assets/44839a7e-c08c-4df9-bd84-0f5863f64163)\n\n\n### Impact\nThis impacts wikis where a group has the `editinterface` but not the `editsitejs` user right.","published":"2025-06-12T18:50:55.931Z","modified":"2026-08-12T03:51:20.775328308Z","cvss":{"score":6.5,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N"},"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Packagist","name":"starcitizentools/citizen-skin","fixedVersion":"3.3.1"}],"fix":{"url":"https://github.com/StarCitizenTools/mediawiki-skins-Citizen/commit/93c36ac778397e0e7c46cf7adb1e5d848265f1bd","label":"StarCitizenTools/mediawiki-skins-Citizen@93c36ac"},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/49xxx/CVE-2025-49576.json"},{"type":"ADVISORY","url":"https://github.com/StarCitizenTools/mediawiki-skins-Citizen/security/advisories/GHSA-86xf-2mgp-gv3g"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-49576"},{"type":"FIX","url":"https://github.com/StarCitizenTools/mediawiki-skins-Citizen/commit/93c36ac778397e0e7c46cf7adb1e5d848265f1bd"},{"type":"FIX","url":"https://github.com/StarCitizenTools/mediawiki-skins-Citizen/commit/a0296afaedbe1a277337a2d8f1da83cb3a79b9ab"},{"type":"PACKAGE","url":"https://github.com/StarCitizenTools/mediawiki-skins-Citizen"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-12T03:51:20.775328308Z"}}