CVE-2026-90978
High
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.
SeverityHigh
CVSS7.1
Exploit probability27. percentile0.3%
ProductFilter Gallery
PublishedSep 18, 2026
First seenSep 18, 2026
Weakness typeCWE-284Improper access control
How to fix
Update
- Filter Gallery1.1.5 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Filter Gallery | 1.1.2 ≤ v < 1.1.5 | 1.1.5 |
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