{"id":"CVE-2021-26029","aliases":["BIT-joomla-2021-26029","EUVD-2021-12852","GHSA-5wg6-q2rg-9q52"],"status":"published","title":"[20210309] - Core - Inadequate filtering of form contents could allow to overwrite the author field","description":"An issue was discovered in Joomla! 1.6.0 through 3.9.24. Inadequate filtering of form contents could allow to overwrite the author field.","severity":{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.01003,"percentile":0.63228,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-20"],"published":"2021-03-04T17:37:15Z","modified":"2026-10-24T10:30:22Z","fixes":[{"ecosystem":"Bitnami","package":"joomla","fixed_in":["3.9.25"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Bitnami","package":"joomla","ranges":[{"type":"SEMVER","events":[{"introduced":"1.6.0"},{"fixed":"3.9.25"}]}]}],"products":[{"vendor":"joomla","product":"joomla\\!"},{"vendor":"joomla! project","product":"joomla! cms"}],"references":[{"url":"https://developer.joomla.org/security-centre/849-20210309-core-inadequate-filtering-of-form-contents-could-allow-to-overwrite-the-author-field.html","tags":["x_refsource_MISC","vendor-advisory","x_transferred","Vendor Advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-26029","tags":["web"]},{"url":"https://github.com/advisories/GHSA-5wg6-q2rg-9q52"}],"sources":{"cve":[{"id":"CVE-2021-26029","title":"[20210309] - Core - Inadequate filtering of form contents could allow to overwrite the author field","description":"An issue was discovered in Joomla! 1.6.0 through 3.9.24. Inadequate filtering of form contents could allow to overwrite the author field.","status":"published","published":"2021-03-04T17:37:15.215Z","modified":"2026-02-25T05:05:13.379Z","updated_at":"2026-11-02T14:32:57.368269Z"}],"euvd":[{"id":"EUVD-2021-12852","description":"An issue was discovered in Joomla! 1.6.0 through 3.9.24. Inadequate filtering of form contents could allow to overwrite the author field.","status":"published","published":"2021-03-04T17:37:15Z","modified":"2026-02-25T05:05:13Z","updated_at":"2026-11-02T19:48:29.551855Z"}],"ghsa":[{"id":"GHSA-5wg6-q2rg-9q52","title":"An issue was discovered in Joomla! 1.6.0 through 3.9.24. Inadequate filtering of form contents...","description":"An issue was discovered in Joomla! 1.6.0 through 3.9.24. Inadequate filtering of form contents could allow to overwrite the author field.","status":"published","published":"2022-05-24T17:43:42Z","modified":"2023-01-27T05:02:46Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","level":"medium"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:42:05.930236Z"}],"nvd":[{"id":"CVE-2021-26029","description":"An issue was discovered in Joomla! 1.6.0 through 3.9.24. Inadequate filtering of form contents could allow to overwrite the author field.","status":"published","published":"2021-03-04T18:15:13.973Z","modified":"2026-06-17T03:42:45.943Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:P/A:N","level":"medium","assessor":"primary"}],"updated_at":"2026-11-02T14:06:50.399901Z"}],"osv":[{"id":"CVE-2021-26029","description":"An issue was discovered in Joomla! 1.6.0 through 3.9.24. Inadequate filtering of form contents could allow to overwrite the author field.","status":"published","published":"2021-03-04T18:15:13.973Z","modified":"2026-10-24T10:30:22.374080049Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T15:44:18.778776Z"},{"id":"BIT-joomla-2021-26029","title":"[20210309] - Core - Inadequate filtering of form contents could allow to overwrite the author field","description":"An issue was discovered in Joomla! 1.6.0 through 3.9.24. Inadequate filtering of form contents could allow to overwrite the author field.","status":"published","published":"2025-04-03T14:12:57.202Z","modified":"2026-09-08T08:48:01.997019512Z","updated_at":"2026-11-02T15:28:31.782692Z"}]}}