{"id":"CVE-2025-49576","aliases":["EUVD-2025-18206","GHSA-86xf-2mgp-gv3g"],"status":"published","title":"Citizen allows stored XSS in search no result messages","description":"Citizen is a MediaWiki skin that makes extensions part of the cohesive experience. The 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. This vulnerability is fixed in 3.3.1.","severity":{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00444,"percentile":0.38897,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-79"],"published":"2025-06-12T18:50:55Z","modified":"2026-10-28T02:30:30Z","fixes":[{"ecosystem":"Packagist","package":"starcitizentools/citizen-skin","fixed_in":["3.3.1"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"Packagist","package":"starcitizentools/citizen-skin","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.31.0"},{"fixed":"3.3.1"}]}]},{"source":"osv","ecosystem":"Packagist","package":"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"]}],"products":[{"vendor":"starcitizen.tools","product":"citizen"},{"vendor":"starcitizentools","product":"mediawiki-skins-citizen"}],"references":[{"url":"https://github.com/StarCitizenTools/mediawiki-skins-Citizen/security/advisories/GHSA-86xf-2mgp-gv3g","tags":["x_refsource_CONFIRM","Exploit","Vendor Advisory","advisory","web"]},{"url":"https://github.com/StarCitizenTools/mediawiki-skins-Citizen/commit/93c36ac778397e0e7c46cf7adb1e5d848265f1bd","tags":["x_refsource_MISC","Patch","fix","web"]},{"url":"https://github.com/StarCitizenTools/mediawiki-skins-Citizen/commit/a0296afaedbe1a277337a2d8f1da83cb3a79b9ab","tags":["x_refsource_MISC","Patch","fix","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-49576","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-86xf-2mgp-gv3g"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/49xxx/CVE-2025-49576.json","tags":["advisory"]},{"url":"https://github.com/StarCitizenTools/mediawiki-skins-Citizen","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2025-49576","title":"Citizen allows stored XSS in search no result messages","description":"Citizen is a MediaWiki skin that makes extensions part of the cohesive experience. The 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. This vulnerability is fixed in 3.3.1.","status":"published","published":"2025-06-12T18:50:55.931Z","modified":"2025-06-12T19:05:48.122Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:32:24.825718Z"}],"euvd":[{"id":"EUVD-2025-18206","description":"Citizen is a MediaWiki skin that makes extensions part of the cohesive experience. The 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. This vulnerability is fixed in 3.3.1.","status":"published","published":"2025-06-12T18:50:55Z","modified":"2025-06-12T19:05:48Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N","level":"medium"}],"updated_at":"2026-11-02T20:32:24.065864Z"}],"ghsa":[{"id":"GHSA-86xf-2mgp-gv3g","title":"starcitizentools/citizen-skin allows stored XSS in search no result messages","description":"### 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.","status":"published","published":"2025-06-13T14:07:53Z","modified":"2025-06-13T14:07:54Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N","level":"medium"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:38:46.901955Z"}],"nvd":[{"id":"CVE-2025-49576","description":"Citizen is a MediaWiki skin that makes extensions part of the cohesive experience. The 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. This vulnerability is fixed in 3.3.1.","status":"published","published":"2025-06-12T19:15:20.313Z","modified":"2026-06-17T09:31:31.133Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N","level":"medium","assessor":"secondary"},{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:11:11.789448Z"}],"osv":[{"id":"CVE-2025-49576","title":"Citizen allows stored XSS in search no result messages","description":"Citizen is a MediaWiki skin that makes extensions part of the cohesive experience. The 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. This vulnerability is fixed in 3.3.1.","status":"published","published":"2025-06-12T18:50:55.931Z","modified":"2026-10-28T02:30:30.891873175Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N","level":"medium"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T15:44:50.037003Z"},{"id":"GHSA-86xf-2mgp-gv3g","title":"starcitizentools/citizen-skin allows stored XSS in search no result messages","description":"### 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.","status":"published","published":"2025-06-13T14:07:53Z","modified":"2025-06-13T14:42:12.326564Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N","level":"medium"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T15:46:42.077781Z"}]}}