Low severity · published Sep 2, 2026
CVE-2026-77787
Rank Math SEO < 1.0.277 - Author+ Term Metadata Update and Cross-Object Post Title Overwrite via updateMetaBulk
2.7
CVSS
0.3%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
High
User interaction
None
Confidentiality
None
Integrity
Low
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 21% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
RM
Rank Math SEO ·
1.0.255 before 1.0.277 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-77787
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-77787
wpscan.com
https://wpscan.com/vulnerability/849a4859-e10e-49e6-9c38-265b902507b8/
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