CVE-2026-77788
Rank Math SEO < 1.0.277 - Author+ Arbitrary Post and User Metadata Overwrite via updateSchemas
CVSS Score
4.9
EPSS Score
0.0%
EPSS Percentile
0th
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.
| Vendor | unknown |
| Product | rank math seo |
| Published | Sep 2, 2026 |
| Last Updated | Sep 2, 2026 |
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Affected Versions
Unknown / Rank Math SEO
1.0.48 < 1.0.277
References
Credits
Usama Arshad WPScan