7.1
High
CVE-2026-90978 The Filter Gallery WordPress plugin before 1.1.5 does not verify the nonce on several of its AJAX handlers when the…
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.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Filter Gallery 1.1 | 1.1.2 → < 1.1.5 | 1.1.5 |