CVE-2026-77784: unknown rank math seo
Vulnerability summary
CVE-2026-77784 is a medium (CVSS 4.3) vulnerability in unknown rank math seo. EPSS estimates a 0.28% chance of exploitation in the next 30 days, higher than 19.3% 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 a user is allowed to edit the object being modified before updating its SEO indexing metadata, allowing users with the Author role and above to alter that metadata on content, taxonomy terms and user profiles they do not own, and to remove other users' content from the site's sitemap and search engine index.
CVSS metrics
3 scores · 3 sources · 1 version- CVE.orgCNA2.7LowCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:NDiffers
- NVDNIST2.7LowCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:NDiffers
EPSS trend
Probability
0.28%
Chance of exploitation in the next 30 days
Percentile
19%
Versus all other CVEs
30-day change
+0.08 pp
From 0.21% on 19-09-2026
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-862Missing AuthorizationThe product does not perform an authorization check when an actor attempts to access a resource or perform an action.
Affected systems
Unknown1 product
- rank math seo< 1.0.277
Wordpress1 product
- seo-by-rank-math< 1.0.277
2 vendors · 2 products