{"id":"CVE-2020-20977","aliases":["EUVD-2020-13756","GHSA-8vw4-xv4w-x2mf"],"status":"published","title":"A stored cross site scripting (XSS) vulnerability in index.php/legend/6.html of UK CMS v1.1.10...","description":"A stored cross site scripting (XSS) vulnerability in index.php/legend/6.html of UK CMS v1.1.10 allows attackers to execute arbitrary web scripts or HTML via a crafted payload in the Comments section.","severity":{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.00503,"percentile":0.43335,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2021-08-12T14:49:19Z","modified":"2026-06-17T03:03:28Z","products":[{"vendor":"ukcms","product":"ukcms"}],"references":[{"url":"https://github.com/yxcmf/ukcms/issues/6","tags":["x_refsource_MISC","x_transferred","Exploit","Issue Tracking","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-20977"},{"url":"https://github.com/advisories/GHSA-8vw4-xv4w-x2mf"}],"sources":{"cve":[{"id":"CVE-2020-20977","description":"A stored cross site scripting (XSS) vulnerability in index.php/legend/6.html of UK CMS v1.1.10 allows attackers to execute arbitrary web scripts or HTML via a crafted payload in the Comments section.","status":"published","published":"2021-08-12T14:49:19Z","modified":"2024-08-04T14:22:25.492Z","updated_at":"2026-11-02T14:35:45.763329Z"}],"euvd":[{"id":"EUVD-2020-13756","description":"A stored cross site scripting (XSS) vulnerability in index.php/legend/6.html of UK CMS v1.1.10 allows attackers to execute arbitrary web scripts or HTML via a crafted payload in the Comments section.","status":"published","published":"2021-08-12T14:49:19Z","modified":"2024-08-04T14:22:25Z","updated_at":"2026-11-03T03:07:24.233243Z"}],"ghsa":[{"id":"GHSA-8vw4-xv4w-x2mf","title":"A stored cross site scripting (XSS) vulnerability in index.php/legend/6.html of UK CMS v1.1.10...","description":"A stored cross site scripting (XSS) vulnerability in index.php/legend/6.html of UK CMS v1.1.10 allows attackers to execute arbitrary web scripts or HTML via a crafted payload in the Comments section.","status":"published","published":"2022-05-24T19:10:57Z","modified":"2023-02-01T05:05:11Z","cvss":[{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","level":"medium"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:50:13.694184Z"}],"nvd":[{"id":"CVE-2020-20977","description":"A stored cross site scripting (XSS) vulnerability in index.php/legend/6.html of UK CMS v1.1.10 allows attackers to execute arbitrary web scripts or HTML via a crafted payload in the Comments section.","status":"published","published":"2021-08-12T15:15:07.43Z","modified":"2026-06-17T03:03:28.997Z","cvss":[{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":3.5,"vector":"AV:N/AC:M/Au:S/C:N/I:P/A:N","level":"low","assessor":"primary"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:06:44.292752Z"}]}}