Medium severity · published Sep 2, 2026
CVE-2026-77782
Rank Math SEO < 1.0.277.1 - Unauthenticated Password-Protected Post Content Disclosure via Post Metadata and llms.txt
5.3
CVSS
0.3%
EPSS
No
On KEV
Description
The Rank Math SEO WordPress plugin before 1.0.277.1 does not check whether a post is password protected before using its content to build publicly generated SEO metadata, allowing unauthenticated users to read the content of password-protected posts.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
Low
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 28% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
RM
Rank Math SEO ·
before 1.0.277.1 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-77782
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-77782
wpscan.com
https://wpscan.com/vulnerability/e7a81d62-3fc7-4212-bd77-c559a6065808/
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