{"affected":[{"defaultStatus":"unaffected","product":"Knowledge Building","source":"CNA: WPScan","vendor":"Unknown","versions":[{"lessThan":"0.7.3","status":"affected","version":"0","versionType":"semver"}]}],"cveId":"CVE-2026-121862","cwes":["CWE-79"],"description":"The Knowledge Building WordPress plugin before 0.7.3 does not sanitise and escape comments submitted through its reply feature, and publishes them without moderation, allowing unauthenticated users to perform Stored Cross-Site Scripting attacks against any visitor of the affected posts, including administrators.","epss":null,"exploits":[{"kind":"exploit","source":"CNA: WPScan","url":"https://wpscan.com/vulnerability/2656cb05-7d95-4e82-acb4-ee62a31715f8/"}],"kev":null,"metrics":[],"modifiedAt":1794376811309,"publishedAt":1794376811309,"references":[{"source":"CNA: WPScan","tags":["exploit","vdb-entry","technical-description"],"url":"https://wpscan.com/vulnerability/2656cb05-7d95-4e82-acb4-ee62a31715f8/"}],"remediation":[],"revision":"70c3a64b6250f162514ec42038b8939389c4e3233b37dbbc2870eeb2f8e567f4","sources":[{"modifiedAt":1794376811309,"name":"CNA: WPScan","retrievedAt":1794377397265,"url":"https://www.cve.org/CVERecord?id=CVE-2026-121862"}],"ssvc":null,"status":"published","title":"Knowledge Building < 0.7.3 - Unauthenticated Stored XSS via knbu_new_reply AJAX Action","updatedAt":1794377397265}