{"id":"CVE-2021-27581","aliases":["EUVD-2021-14329","GHSA-xjcj-m8p7-67rr"],"status":"published","title":"The Blog module in Kentico CMS 5.5 R2 build 5.5.3996 allows SQL injection via the tagname parameter.","description":"The Blog module in Kentico CMS 5.5 R2 build 5.5.3996 allows SQL injection via the tagname parameter.","severity":{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.0169,"percentile":0.77258,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-89"],"published":"2021-03-05T22:29:02Z","modified":"2026-06-17T03:45:10Z","products":[{"vendor":"kentico","product":"kentico_cms"}],"references":[{"url":"https://kontent.ai","tags":["x_refsource_MISC","x_transferred","Product","Vendor Advisory"]},{"url":"https://gist.github.com/stasinopoulos/673ae3c31d703b4d67449f4d8888c686","tags":["x_refsource_MISC","x_transferred","Third Party Advisory"]},{"url":"https://www.obrela.com/kentico-cms-critical-vulnerability/","tags":["x_refsource_MISC","x_transferred","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-27581"},{"url":"https://github.com/advisories/GHSA-xjcj-m8p7-67rr"}],"sources":{"cve":[{"id":"CVE-2021-27581","description":"The Blog module in Kentico CMS 5.5 R2 build 5.5.3996 allows SQL injection via the tagname parameter.","status":"published","published":"2021-03-05T22:29:02Z","modified":"2024-08-03T21:26:09.696Z","updated_at":"2026-11-02T14:33:04.679189Z"}],"euvd":[{"id":"EUVD-2021-14329","description":"The Blog module in Kentico CMS 5.5 R2 build 5.5.3996 allows SQL injection via the tagname parameter.","status":"published","published":"2021-03-05T22:29:02Z","modified":"2024-08-03T21:26:09Z","updated_at":"2026-11-03T03:24:48.919164Z"}],"ghsa":[{"id":"GHSA-xjcj-m8p7-67rr","title":"The Blog module in Kentico CMS 5.5 R2 build 5.5.3996 allows SQL injection via the tagname parameter.","description":"The Blog module in Kentico CMS 5.5 R2 build 5.5.3996 allows SQL injection via the tagname parameter.","status":"published","published":"2022-05-24T17:43:48Z","modified":"2023-01-29T05:05:34Z","cwes":["CWE-89"],"updated_at":"2026-11-02T14:45:49.842411Z"}],"nvd":[{"id":"CVE-2021-27581","description":"The Blog module in Kentico CMS 5.5 R2 build 5.5.3996 allows SQL injection via the tagname parameter.","status":"published","published":"2021-03-05T23:15:11.9Z","modified":"2026-06-17T03:45:10.14Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"},{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary"}],"cwes":["CWE-89"],"updated_at":"2026-11-02T14:06:50.399901Z"}]}}