{"id":"CVE-2026-90978","title":"The Filter Gallery WordPress plugin before 1.1.5 does not verify the nonce on several of its AJAX handlers when the nonce field is omitted, and applies no capability check, allowing low-privileged users to overwrite the content of arbitr…","summary":"The Filter Gallery WordPress plugin before 1.1.5 does not verify the nonce on several of its AJAX handlers when the nonce field is omitted, and applies no capability check, allowing low-privileged users to overwrite the content of arbitr…","severity":"high","cvss":7.1,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:L","cwe":["CWE-284"],"product":"Filter Gallery","affected":["filter_gallery >= 1.1.2 < 1.1.5"],"published":"2026-09-18","updated":"2026-09-18","sourceUpdated":"2026-09-18T19:08:32.830","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-90978","references":[{"url":"https://wpscan.com/vulnerability/39321ecd-98e5-4f4e-9a42-bedf5904c3d1/","label":"contact@wpscan.com"}],"tags":["nvd","cve.org"],"epss":0.00338,"epssPercentile":0.24588,"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-09-18T11:00:11.604244Z"},"ingestedAt":"2026-09-18T06:36:37.988Z","slug":"CVE-2026-90978","body":"## Overview\n\nThe Filter Gallery WordPress plugin before 1.1.5 does not verify the nonce on several of its AJAX handlers when the nonce field is omitted, and applies no capability check, allowing low-privileged users to overwrite the content of arbitrary posts and delete the Filter Gallery WordPress plugin before 1.1.5's stored gallery options.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":39,"depthScoreParts":{"impact":39.1,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[{"seq":206767,"id":"CVE-2026-90978","ts":1789731640184,"field":"cvss","old":null,"new":"7.1"},{"seq":206766,"id":"CVE-2026-90978","ts":1789731640184,"field":"severity","old":"none","new":"high"}]}