CVE-2026-77788
Medium
Description
The Rank Math SEO WordPress plugin before 1.0.277 does not verify that the metadata row being updated belongs to the object the user was authorised against, allowing users with the Author role and above to overwrite arbitrary post and user metadata, including that belonging to higher-privileged users.
SeverityMedium
CVSS4.9
Exploit probability—
ProductRank Math SEO
PublishedSep 2, 2026
First seenSep 2, 2026
How to fix
Update
- Rank Math SEO1.0.277 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Rank Math SEO | 1.0.48 ≤ v < 1.0.277 | 1.0.277 |
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