{"id":"CVE-2021-26799","aliases":["EUVD-2021-13586","GHSA-p9cm-p38f-27vm"],"status":"published","title":"Cross Site Scripting (XSS) vulnerability in admin/files/edit in Omeka Classic \u003c=2.7 allows remote...","description":"Cross Site Scripting (XSS) vulnerability in admin/files/edit in Omeka Classic \u003c=2.7 allows remote attackers to inject arbitrary web script or HTML.","severity":{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.01042,"percentile":0.64328,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2021-07-23T10:39:50Z","modified":"2026-10-24T10:50:11Z","products":[{"vendor":"omeka","product":"omeka"}],"references":[{"url":"https://github.com/omeka/Omeka/issues/935","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory","evidence"]},{"url":"https://github.com/omeka/Omeka/commit/08bfdf470e234edb68e5307a2fef8c899d89256c","tags":["x_refsource_MISC","x_transferred","Exploit","Patch","Third Party Advisory","fix"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-26799"},{"url":"https://github.com/advisories/GHSA-p9cm-p38f-27vm"}],"sources":{"cve":[{"id":"CVE-2021-26799","description":"Cross Site Scripting (XSS) vulnerability in admin/files/edit in Omeka Classic \u003c=2.7 allows remote attackers to inject arbitrary web script or HTML.","status":"published","published":"2021-07-23T10:39:50Z","modified":"2024-08-03T20:33:41.289Z","updated_at":"2026-11-02T14:32:57.368269Z"}],"euvd":[{"id":"EUVD-2021-13586","description":"Cross Site Scripting (XSS) vulnerability in admin/files/edit in Omeka Classic \u003c=2.7 allows remote attackers to inject arbitrary web script or HTML.","status":"published","published":"2021-07-23T10:39:50Z","modified":"2024-08-03T20:33:41Z","updated_at":"2026-11-03T03:24:50.84326Z"}],"ghsa":[{"id":"GHSA-p9cm-p38f-27vm","title":"Cross Site Scripting (XSS) vulnerability in admin/files/edit in Omeka Classic \u003c=2.7 allows remote...","description":"Cross Site Scripting (XSS) vulnerability in admin/files/edit in Omeka Classic \u003c=2.7 allows remote attackers to inject arbitrary web script or HTML.","status":"published","published":"2022-05-24T19:09:06Z","modified":"2023-01-30T05:00:58Z","cwes":["CWE-79"],"updated_at":"2026-11-02T14:46:18.635114Z"}],"nvd":[{"id":"CVE-2021-26799","description":"Cross Site Scripting (XSS) vulnerability in admin/files/edit in Omeka Classic \u003c=2.7 allows remote attackers to inject arbitrary web script or HTML.","status":"published","published":"2021-07-23T11:15:08.82Z","modified":"2026-06-17T03:43:48.057Z","cvss":[{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:N/I:P/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:06:56.185362Z"}],"osv":[{"id":"CVE-2021-26799","description":"Cross Site Scripting (XSS) vulnerability in admin/files/edit in Omeka Classic \u003c=2.7 allows remote attackers to inject arbitrary web script or HTML.","status":"published","published":"2021-07-23T11:15:08.82Z","modified":"2026-10-24T10:50:11.750213085Z","cvss":[{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T15:44:18.778776Z"}]}}