Access Control Flaw in Rank Math SEO Plugin for WordPress
CVE-2026-77784
Currently unrated
Key Information:
- Vendor
WordPress
- Status
- Vendor
- CVE Published:
- 2 September 2026
Badges
👾 Exploit Exists🟡 Public PoC
What is CVE-2026-77784?
The Rank Math SEO WordPress plugin prior to version 1.0.277 contains an access control vulnerability that allows users with the Author role and above to edit SEO indexing metadata for content, taxonomy terms, and user profiles that they do not own. This improper validation leads to unauthorized alterations of critical SEO data, including the removal of other users' content from the site's sitemap and search engine index, potentially harming both site visibility and user content integrity.
Affected Version(s)
Rank Math SEO 0 < 1.0.277
Exploit Proof of Concept (PoC)
PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.