{"id":"CVE-2025-53490","aliases":["EUVD-2025-19890","GHSA-9vrv-4cjj-vw3q"],"status":"published","title":"Multiple XSS in CampaignEvents","description":"Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Wikimedia Foundation Mediawiki - CampaignEvents Extension allows Cross-Site Scripting (XSS).This issue affects Mediawiki - CampaignEvents Extension: from 1.43.X before 1.43.2.","severity":{"version":"3.1","score":5.6,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L","level":"medium","assessor":"adp","from":"cve"},"epss":{"day":"2026-11-10","score":0.0025,"percentile":0.16497,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2025-07-03T16:04:05Z","modified":"2026-10-24T10:30:46Z","products":[{"vendor":"jly","product":"campaignevents"},{"vendor":"the wikimedia foundation","product":"mediawiki - campaignevents extension"},{"vendor":"wikimedia foundation","product":"mediawiki - campaignevents extension"}],"references":[{"url":"https://phabricator.wikimedia.org/T395622","tags":["Issue Tracking","Patch","fix"]},{"url":"https://gerrit.wikimedia.org/r/c/mediawiki/extensions/CampaignEvents/+/1165949","tags":["Patch","fix"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-53490"},{"url":"https://github.com/advisories/GHSA-9vrv-4cjj-vw3q"}],"sources":{"cve":[{"id":"CVE-2025-53490","title":"Multiple XSS in CampaignEvents","description":"Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Wikimedia Foundation Mediawiki - CampaignEvents Extension allows Cross-Site Scripting (XSS).This issue affects Mediawiki - CampaignEvents Extension: from 1.43.X before 1.43.2.","status":"published","published":"2025-07-03T16:04:05.491Z","modified":"2025-07-10T23:33:01.924Z","cvss":[{"version":"3.1","score":5.6,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L","level":"medium","assessor":"adp"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:32:49.180768Z"}],"euvd":[{"id":"EUVD-2025-19890","description":"Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Wikimedia Foundation Mediawiki - CampaignEvents Extension allows Cross-Site Scripting (XSS).This issue affects Mediawiki - CampaignEvents Extension: from 1.43.X before 1.43.2.","status":"published","published":"2025-07-03T16:04:05Z","modified":"2025-07-10T23:33:01Z","cvss":[{"version":"3.1","score":5.6,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L","level":"medium"}],"updated_at":"2026-11-02T20:32:09.102762Z"}],"ghsa":[{"id":"GHSA-9vrv-4cjj-vw3q","title":"Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting')...","description":"Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Wikimedia Foundation Mediawiki - CampaignEvents Extension allows Cross-Site Scripting (XSS).This issue affects Mediawiki - CampaignEvents Extension: from 1.43.X before 1.43.2.","status":"published","published":"2025-07-03T18:31:26Z","modified":"2025-07-03T18:31:26Z","cvss":[{"version":"3.1","score":5.6,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L","level":"medium"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T15:02:53.892162Z"}],"nvd":[{"id":"CVE-2025-53490","description":"Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Wikimedia Foundation Mediawiki - CampaignEvents Extension allows Cross-Site Scripting (XSS).This issue affects Mediawiki - CampaignEvents Extension: from 1.43.X before 1.43.2.","status":"published","published":"2025-07-03T16:15:23.823Z","modified":"2026-06-17T09:38:18.59Z","cvss":[{"version":"3.1","score":5.6,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L","level":"medium","assessor":"secondary"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:11:15.754475Z"}],"osv":[{"id":"CVE-2025-53490","description":"Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Wikimedia Foundation Mediawiki - CampaignEvents Extension allows Cross-Site Scripting (XSS).This issue affects Mediawiki - CampaignEvents Extension: from 1.43.X before 1.43.2.","status":"published","published":"2025-07-03T16:15:23.823Z","modified":"2026-10-24T10:30:46.430718786Z","cvss":[{"version":"3.1","score":5.6,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L","level":"medium"}],"updated_at":"2026-11-02T15:44:50.45326Z"}]}}