What’s Vulnerable › Vulnerabilities
CVE-2026-77787: Rank Math SEO < 1.0.277 - Author+ Term Metadata Update and Cross-Object Post Title Overwrite via updateMetaBulk
- Severity: low (CVSS 2.7 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.3% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-09-02 · updated 2026-09-03
- Weakness: CWE-862
Description
The Rank Math SEO WordPress plugin before 1.0.277 does not perform a capability check when bulk metadata updates target taxonomy terms, and reuses the supplied object identifier across object types, allowing users with the Author role and above to modify the SEO metadata of terms they cannot edit and to overwrite the titles of posts belonging to other users.
Affected products
- Rank Math SEO: from 1.0.255 before 1.0.277 — fixed in 1.0.277
How to fix
Upgrade to a fixed version: Rank Math SEO 1.0.277. Check the vendor advisory for mitigations.
References
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