CVE-2026-77785: unknown rank math seo
Vulnerability summary
CVE-2026-77785 is a medium (CVSS 4.3) vulnerability in unknown rank math seo. EPSS estimates a 0.30% chance of exploitation in the next 30 days, higher than 21.1% of scored vulnerabilities. 1 public exploit is recorded. Fixed in 1.0.277.
Timeline
- 02-09-2026PublishedVulnerability first disclosed.
- 02-09-2026Last modifiedVulnerability information updated.
Description
The Rank Math SEO WordPress plugin before 1.0.277 does not verify that the requesting user is permitted to read the specific post referenced in a request before returning its content and SEO metadata, allowing users with the Author role and above to read the title, body and metadata of other users' non-public posts.
CVSS metrics
3 scores · 3 sources · 1 version- CVE.orgCNA2.7LowCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:NDiffers
- NVDNIST2.7LowCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:NDiffers
EPSS trend
Probability
0.30%
Chance of exploitation in the next 30 days
Percentile
21%
Versus all other CVEs
30-day change
+0.12 pp
From 0.18% on 18-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundExploit Reference (wpscan.com)
Maturity: unknown
Weaknesses
CWE · root cause- CWE-639Authorization Bypass Through User-Controlled KeyThe system's authorization functionality does not prevent one user from gaining access to another user's data or record by modifying the key value identifying the data.
- CWE-200Exposure of Sensitive Information to an Unauthorized ActorThe product exposes sensitive information to an actor that is not explicitly authorized to have access to that information.
Affected systems
Unknown1 product
- rank math seo≥ 1.0.272, < 1.0.277
Wordpress1 product
- seo-by-rank-math< 1.0.277
2 vendors · 2 products