{"id":"CVE-2025-26951","aliases":["EUVD-2025-11113","GHSA-99gc-fxf4-398x"],"status":"published","title":"WordPress C9 Blocks plugin \u003c= 1.7.7 - Cross Site Scripting (XSS) vulnerability","description":"Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in covertnine C9 Blocks c9-blocks allows DOM-Based XSS.This issue affects C9 Blocks: from n/a through \u003c= 1.7.7.","severity":{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.0028,"percentile":0.20602,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2025-04-15T21:53:13Z","modified":"2026-06-17T09:02:39Z","products":[{"vendor":"covertnine","product":"c9 blocks"}],"references":[{"url":"https://patchstack.com/database/Wordpress/Plugin/c9-blocks/vulnerability/wordpress-c9-blocks-plugin-1-7-7-cross-site-scripting-xss-vulnerability?_s_id=cve","tags":["vdb-entry"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-26951"},{"url":"https://patchstack.com/database/wordpress/plugin/c9-blocks/vulnerability/wordpress-c9-blocks-plugin-1-7-7-cross-site-scripting-xss-vulnerability?_s_id=cve"},{"url":"https://github.com/advisories/GHSA-99gc-fxf4-398x"}],"sources":{"cve":[{"id":"CVE-2025-26951","title":"WordPress C9 Blocks plugin \u003c= 1.7.7 - Cross Site Scripting (XSS) vulnerability","description":"Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in covertnine C9 Blocks c9-blocks allows DOM-Based XSS.This issue affects C9 Blocks: from n/a through \u003c= 1.7.7.","status":"published","published":"2025-04-15T21:53:13.04Z","modified":"2026-04-28T16:11:44.793Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L","level":"medium","assessor":"cna"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:32:27.932735Z"}],"euvd":[{"id":"EUVD-2025-11113","description":"Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in covertnine C9 Blocks c9-blocks allows DOM-Based XSS.This issue affects C9 Blocks: from n/a through \u003c= 1.7.7.","status":"published","published":"2025-04-15T21:53:13Z","modified":"2026-04-28T16:11:44Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L","level":"medium"}],"updated_at":"2026-11-02T19:05:50.148229Z"}],"ghsa":[{"id":"GHSA-99gc-fxf4-398x","title":"Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')...","description":"Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in covertnine C9 Blocks allows DOM-Based XSS. This issue affects C9 Blocks: from n/a through 1.7.7.","status":"published","published":"2025-04-16T00:31:37Z","modified":"2025-04-16T00:31:45Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L","level":"medium"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T15:01:34.355264Z"}],"nvd":[{"id":"CVE-2025-26951","description":"Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in covertnine C9 Blocks c9-blocks allows DOM-Based XSS.This issue affects C9 Blocks: from n/a through \u003c= 1.7.7.","status":"published","published":"2025-04-15T22:15:18.89Z","modified":"2026-06-17T09:02:39.393Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L","level":"medium","assessor":"secondary"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:11:00.456643Z"}]}}