{"id":"GHSA-86xf-2mgp-gv3g","summary":"starcitizentools/citizen-skin 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 `\u003cimg src=\"\" onerror=\"alert('citizen-search-noresults-title')\"\u003e` and `\u003cimg src=\"\" onerror=\"alert('citizen-search-noresults-desc')\"\u003e` (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.","aliases":["CVE-2025-49576"],"modified":"2025-06-13T14:42:12.326564Z","published":"2025-06-13T14:07:53Z","database_specific":{"nvd_published_at":"2025-06-12T19:15:20Z","cwe_ids":["CWE-79"],"severity":"MODERATE","github_reviewed":true,"github_reviewed_at":"2025-06-13T14:07:53Z"},"references":[{"type":"WEB","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":"WEB","url":"https://github.com/StarCitizenTools/mediawiki-skins-Citizen/commit/93c36ac778397e0e7c46cf7adb1e5d848265f1bd"},{"type":"WEB","url":"https://github.com/StarCitizenTools/mediawiki-skins-Citizen/commit/a0296afaedbe1a277337a2d8f1da83cb3a79b9ab"},{"type":"PACKAGE","url":"https://github.com/StarCitizenTools/mediawiki-skins-Citizen"}],"affected":[{"package":{"name":"starcitizentools/citizen-skin","ecosystem":"Packagist","purl":"pkg:composer/starcitizentools/citizen-skin"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.31.0"},{"fixed":"3.3.1"}]}],"versions":["v2.31.0","v2.32.0","v2.33.0","v2.34.0","v2.35.0","v2.36.0","v2.37.0","v2.38.0","v2.38.1","v2.38.2","v2.38.3","v2.39.0","v2.39.1","v2.39.2","v2.39.3","v2.39.4","v2.40.0","v2.40.1","v2.40.2","v3.0.0","v3.1.0","v3.2.0","v3.3.0"],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2025/06/GHSA-86xf-2mgp-gv3g/GHSA-86xf-2mgp-gv3g.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N"}]}