{"id":"CVE-2026-103481","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-103481","generatedAt":"2026-10-27T23:51:20.951Z","title":"The Gwolle Guestbook plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via the 'permalink' parameter in all versions up to, and including, 5.1.1 due to insufficient input sanitization and output escaping.","description":"The Gwolle Guestbook plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via the 'permalink' parameter in all versions up to, and including, 5.1.1 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that execute if they can successfully trick a user into performing an action such as clicking on a link.","published":"2026-10-16T05:17:28.000Z","lastModified":"2026-10-16T15:17:02.000Z","status":"Deferred","sourceIdentifier":"security@wordfence.com","cvss":{"version":"3.1","score":6.1,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"},"cwe":["CWE-79"],"affected":[],"epss":{"score":0.00211,"percentile":0.11226,"date":"2026-10-26","history":[{"date":"2026-10-16","score":0.00211,"percentile":0.10615}]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"low","text":"Lower severity and a low EPSS score (0.21%). Track it; it rarely justifies an emergency change on its own."},"changes":[{"kind":"new","label":"New CVE","at":"2026-10-16T05:17:28.000Z","detail":{"score":"6.1","severity":"MEDIUM","publishedAt":"2026-10-16T05:17:28.080Z"},"summary":"New CVE, medium severity (CVSS 6.1)."}],"references":[{"url":"https://codeberg.org/cyclotouriste/gwolle-gb/commit/f6e483654b56188a3fa208fd18a4f0468577a825","source":"security@wordfence.com"},{"url":"https://plugins.trac.wordpress.org/browser/gwolle-gb/tags/5.1.1/frontend/gb-ajax-infinite-scroll.php#L96","source":"security@wordfence.com"},{"url":"https://plugins.trac.wordpress.org/browser/gwolle-gb/tags/5.1.1/frontend/gb-permalink.php#L21","source":"security@wordfence.com"},{"url":"https://plugins.trac.wordpress.org/browser/gwolle-gb/tags/5.1.1/frontend/gb-permalink.php#L28","source":"security@wordfence.com"},{"url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/d8eff266-43fe-4636-b4ef-c973db7e7952?source=cve","source":"security@wordfence.com"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-103481","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}