High severity7.1NVD Advisory· Published Sep 18, 2026· Updated Sep 18, 2026
CVE-2026-90978
CVE-2026-90978
Description
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 arbitrary posts and delete the Filter Gallery WordPress plugin before 1.1.5's stored gallery options.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
1- Range: <1.1.5
Patches
Vulnerability mechanics
References
1News mentions
1- Wordfence Intelligence Weekly WordPress Vulnerability Report (September 14, 2026 to September 20, 2026)Wordfence Blog · Sep 24, 2026