Low severity · published Sep 2, 2026
CVE-2026-77783
Rank Math SEO < 1.0.277 - Unauthenticated Non-Public Post Schema and Content Disclosure
3.7
CVSS
0.3%
EPSS
No
On KEV
Description
The Rank Math SEO WordPress plugin before 1.0.277 does not verify that the post whose schema it renders on the front end is publicly viewable, allowing unauthenticated visitors to disclose the schema and associated content of draft, pending, private, scheduled and password-protected posts.
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
Attack vector
Network
Complexity
High
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 17% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
RM
Rank Math SEO ·
1.0.48 before 1.0.277 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-77783
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-77783
wpscan.com
https://wpscan.com/vulnerability/c10db1c1-3af9-45ed-af83-ce95211d0251/
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