{"id":"CVE-2021-26039","aliases":["BIT-joomla-2021-26039","EUVD-2021-12862","GHSA-73vf-29fw-xhq4"],"status":"published","title":"[20210705] - Core - XSS in com_media imagelist","description":"An issue was discovered in Joomla! 3.0.0 through 3.9.27. Inadequate escaping in the imagelist view of com_media leads to a XSS vulnerability.","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":0.00723,"percentile":0.54345,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2021-07-07T10:12:48Z","modified":"2026-10-24T10:30:57Z","affected":[{"source":"osv","ecosystem":"Bitnami","package":"joomla","ranges":[{"type":"SEMVER","events":[{"introduced":"3.0.0"},{"last_affected":"3.9.27"}]}]}],"products":[{"vendor":"joomla","product":"joomla\\!"},{"vendor":"joomla! project","product":"joomla! cms"}],"references":[{"url":"https://developer.joomla.org/security-centre/860-20210705-core-xss-in-com-media-imagelist.html","tags":["x_refsource_MISC","vendor-advisory","x_transferred","Vendor Advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-26039","tags":["web"]},{"url":"https://github.com/advisories/GHSA-73vf-29fw-xhq4"}],"sources":{"cve":[{"id":"CVE-2021-26039","title":"[20210705] - Core - XSS in com_media imagelist","description":"An issue was discovered in Joomla! 3.0.0 through 3.9.27. Inadequate escaping in the imagelist view of com_media leads to a XSS vulnerability.","status":"published","published":"2021-07-07T10:12:48.839Z","modified":"2026-02-25T05:04:33.341Z","updated_at":"2026-11-02T14:32:57.368269Z"}],"euvd":[{"id":"EUVD-2021-12862","description":"An issue was discovered in Joomla! 3.0.0 through 3.9.27. Inadequate escaping in the imagelist view of com_media leads to a XSS vulnerability.","status":"published","published":"2021-07-07T10:12:48Z","modified":"2026-02-25T05:04:33Z","updated_at":"2026-11-02T19:48:29.551855Z"}],"ghsa":[{"id":"GHSA-73vf-29fw-xhq4","title":"An issue was discovered in Joomla! 3.0.0 through 3.9.27. Inadequate escaping in the imagelist...","description":"An issue was discovered in Joomla! 3.0.0 through 3.9.27. Inadequate escaping in the imagelist view of com_media leads to a XSS vulnerability.","status":"published","published":"2022-05-24T19:07:08Z","modified":"2023-01-30T05:00:39Z","cwes":["CWE-79"],"updated_at":"2026-11-02T14:46:14.926249Z"}],"nvd":[{"id":"CVE-2021-26039","description":"An issue was discovered in Joomla! 3.0.0 through 3.9.27. Inadequate escaping in the imagelist view of com_media leads to a XSS vulnerability.","status":"published","published":"2021-07-07T11:15:08.73Z","modified":"2026-06-17T03:42:46.957Z","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":"2026-11-02T14:06:55.259633Z"}],"osv":[{"id":"CVE-2021-26039","description":"An issue was discovered in Joomla! 3.0.0 through 3.9.27. Inadequate escaping in the imagelist view of com_media leads to a XSS vulnerability.","status":"published","published":"2021-07-07T11:15:08.73Z","modified":"2026-10-24T10:30:57.459208745Z","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"},{"id":"BIT-joomla-2021-26039","title":"[20210705] - Core - XSS in com_media imagelist","description":"An issue was discovered in Joomla! 3.0.0 through 3.9.27. Inadequate escaping in the imagelist view of com_media leads to a XSS vulnerability.","status":"published","published":"2025-04-03T14:13:58.891Z","modified":"2026-09-08T08:48:01.46459366Z","updated_at":"2026-11-02T15:28:31.782692Z"}]}}