CVE-2026-77782 json
Rank Math SEO < 1.0.277.1 - Unauthenticated Password-Protected Post Content Disclosure via Post Metadata and llms.txt
published 2026-09-02 2 mo ago modified 2026-09-03 2 mo ago also EUVD-2026-69837
- cvss
- 5.3
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.3%
- EPSS 0.3% chance of exploitation in 30 days, percentile 28%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- Unknown Rank Math SEO 1.0.277.1
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 2 mo ago
Exploit prediction
0.34% chance of exploitation in the next 30 days, higher than 28% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- wpscan.com https://wpscan.com/vulnerability/e7a81d62-3fc7-4212-bd77-c559a6065808/ referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CISA ADP | 3.1 | 5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N |
| CNA | 3.1 | 5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N |
Affected products
- Unknown Rank Math SEO
Classification
- Weakness
-
- CWE-200 Exposure of Sensitive Information to an Unauthorized Actor
- Technology feeds
References
-
wpscan.com
/vulnerability/e7a81d62-3fc7-4212-bd77-c559a6065808/
exploit, vdb-entry, technical-description
Sources
- CVE List CVE-2026-77782
- NVD CVE-2026-77782
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.