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CVE-2026-77783lowCWE-639

Rank Math SEO < 1.0.277 - Unauthenticated Non-Public Post Schema and Content Disclosure

28Vexday Risk Score

No sign of exploitation. It has a public proof of concept.

ssvc Attendcvss 3.7epss 0.2%
exploitation probability
0.2%top 90% of all CVEs
observed exploitation
nono source reports it
1 public exploit(s)
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:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
Affected products
Unknown · Rank Math SEO
⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.