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TI-2026-54176 Aliases CVE-2026-77787GHSA-vxch-jpr2-q2xp

Rank Math SEO < 1.0.277 - Author+ Term Metadata Update and Cross-Object Post Title Overwrite via updateMetaBulk

Priority LOW 13CWE-862Published · Updated

Key facts

Attack vector
Network
Privileges required
High
User interaction
None
Attack complexity
Low
Impact type
Security bypass
Confidentiality · integrity · availability
None · Low · None
Fix status
Fixed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-862.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00281 20th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix Fixed Rank Math SEO (Unknown): 1.0.277

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
UnknownRank Math SEO1.0.255 to before 1.0.2771.0.277Patch availableCNA
  • Rank Math SEO VendorUnknown Affected 1.0.255 to before 1.0.277 Fixed in 1.0.277 Patch available CNA

Remediation

  • Fix · CNA Rank Math SEO (Unknown) Fixed in 1.0.277

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Release ·

    Rank Math SEO 1.0.277

    5 records Highest priority Priority LOW 5 LOW

    Other records, highest priority first

    • TI-2026-54177 Rank Math SEO < 1.0.277 - Author+ Arbitrary Post and User Metadata Overwrite via updateSchemasPriority LOW 22
    • TI-2026-54172 Rank Math SEO < 1.0.277 - Unauthenticated Non-Public Post Schema and Content DisclosurePriority LOW 17
    • TI-2026-54174 Rank Math SEO < 1.0.277 - Author+ Non-Public Post Content Disclosure via Abilities APIPriority LOW 13
    Show all 5 records →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-77787
  2. 2026-10-03 Alias added: GHSA-vxch-jpr2-q2xp

References

Exploit 1

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences