{"id":"CVE-2026-109319","state":"PUBLISHED","title":"Grav Guestbook Plugin 0.5.0 and 0.5.1 Missing Authorization and CSRF in Moderation","description":"Grav Guestbook plugin 0.5.0 and 0.5.1 contains missing authorization and cross-site request forgery vulnerabilities in Admin moderation actions delete, approve, and approveAll. Authenticated Admin users lacking the admin.guestbook permission, or external sites abusing a moderator's session via nonce-less GET requests, can delete or approve Guestbook entries.","publishedAt":"2026-10-12T16:05:12.179Z","updatedAt":"2026-10-13T16:54:36.148Z","severity":{"score":5.3,"label":"Medium","version":"4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N","source":"VulnCheck"},"assigner":"VulnCheck","products":["getgrav grav-plugin-guestbook"],"affected":[{"vendor":"getgrav","product":"grav-plugin-guestbook","defaultStatus":"unaffected","versions":[{"version":"0.5.0","status":"affected","lessThan":"0.5.2","versionType":"semver"},{"version":"0.5.2","status":"unaffected","versionType":"semver"}],"repo":"https://github.com/getgrav/grav-plugin-guestbook"}],"references":["https://github.com/getgrav/grav/security/advisories/GHSA-wxr7-h5mm-c7mv","https://www.vulncheck.com/advisories/grav-guestbook-plugin-0.5.0-and-0.5.1-missing-authorization-and-csrf-in-moderation"],"weaknesses":["CWE-862"],"ingestedAt":"2026-10-29T20:10:33.477Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/109xxx/CVE-2026-109319.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-109319","state":"PUBLISHED","datePublished":"2026-10-12T16:05:12.179Z","dateUpdated":"2026-10-13T16:54:36.148Z","assignerShortName":"VulnCheck","assignerOrgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","dateReserved":"2026-10-12T14:15:29.011Z"},"containers":{"cna":{"title":"Grav Guestbook Plugin 0.5.0 and 0.5.1 Missing Authorization and CSRF in Moderation","descriptions":[{"lang":"en","value":"Grav Guestbook plugin 0.5.0 and 0.5.1 contains missing authorization and cross-site request forgery vulnerabilities in Admin moderation actions delete, approve, and approveAll. 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