Rank Math SEO permits Author-level remote code execution
Rank Math SEO through 1.0.276 exposes a code-execution path to authenticated Authors. Successful exploitation runs attacker-controlled code in the WordPress server context and can compromise site data, files and availability.
- Component
- Rank Math SEO
- Plugin slug
seo-by-rank-math- Affected
- n/a through 1.0.276
- Safe version
1.0.277- Published
- Aug 28, 2026
This CVE was published Aug 28, 2026 and is one of 26 known issues for this plugin.
Update, patch or deactivate.
Update Rank Math SEO to 1.0.277 or later immediately, restrict Author access until updated, and investigate unexpected files, users, options and scheduled tasks if exposure is suspected.
A safe version is available, so updating to that version or later is the preferred remediation. If an immediate update is not practical, consider a targeted application patch or temporarily restricting the affected functionality.
Deactivate only when warranted by your risk profile, or when advised by your hosting provider in the limited circumstances where the vulnerability cannot otherwise be mitigated. If you’re unsure which action is appropriate, contact Fused or your hosting provider for guidance.
Technical description
Author Remote Code Execution (RCE) in Rank Math SEO <= 1.0.276 versions.
CVE / CNA vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H