EUVD-2026-67730
GHSA-mgrf-fv5m-433v
Severity by source
AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Network-delivered exploitation requiring Author-level credentials (PR:H); deserialization RCE yields full C/I/A impact; no scope change beyond the vulnerable WordPress process.
Primary rating from Vendor (Patchstack).
CVSS VectorVendor: Patchstack
Lifecycle Timeline
2DescriptionCVE.org
Author Remote Code Execution (RCE) in Rank Math SEO <= 1.0.276 versions.
AnalysisAI
Remote code execution in the Rank Math SEO WordPress plugin (versions <= 1.0.276) is reachable by any user holding WordPress Author-level privileges, exploiting unsafe PHP deserialization (CWE-502) to execute arbitrary server-side code. The CVSS vector (AV:N/AC:L/PR:H) confirms the attack is network-delivered with low complexity once Author credentials are in hand, yielding full confidentiality, integrity, and availability compromise of the host. …
Unlock full vulnerability intelligence
- Risk assessment & exploitation conditions
- Attack chain visualization
- Remediation with exact patch versions
- Threat intelligence from 22 sources
- Personal watchlist & email alerts
Free forever · No credit card required
Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires the attacker to hold a valid WordPress account with at minimum the Author role on the target site (PR:H per CVSS vector). … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS base score of 7.2 reflects a meaningful but access-gated risk: PR:H (high privileges) is the primary mitigating factor, requiring an adversary to first hold valid Author-level credentials on the target WordPress installation before any exploitation is possible. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | Full exploit scenario with step-by-step reproduction available after sign-in. |
| Remediation | The primary remediation is to update the Rank Math SEO plugin beyond version 1.0.276 immediately; the fixed version number is not independently confirmed in available data, so administrators should verify the latest release in the WordPress plugin repository or via the Patchstack advisory at https://patchstack.com/database/wordpress/plugin/seo-by-rank-math/vulnerability/wordpress-rank-math-seo-plugin-1-0-276-remote-code-execution-rce-vulnerability?_s_id=cve. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours, identify all WordPress installations running Rank Math SEO versions 1.0.276 or earlier; audit and restrict Author-level privileges to essential trusted personnel only; and implement enhanced logging on all Author account activities. …
Sign in for detailed remediation steps and compensating controls.
Threat intelligence, references, and detailed analysis are available after sign-in.
More in Rank Math Seo
View allRank Math SEO WordPress plugin versions before 1.0.277.1 exposes the full content of password-protected posts to unauthe
Rank Math SEO WordPress plugin before version 1.0.277 allows authenticated users holding at minimum an Author role to ov
Rank Math SEO WordPress plugin versions prior to 1.0.277 allows users holding the Editor role to modify site-wide admini
Unauthenticated schema disclosure in the Rank Math SEO WordPress plugin (versions 1.0.48 through 1.0.276) allows any ano
Unauthenticated Cross-Site Scripting in the Rank Math SEO WordPress plugin (versions up to and including 1.0.274.1) allo
Rank Math SEO WordPress plugin before version 1.0.277 allows any authenticated user with at least the Author role to mod
Privilege escalation in the Rank Math SEO WordPress plugin (versions before 1.0.277) lets any authenticated Author-role
Insecure direct object reference (IDOR) in Rank Math SEO WordPress plugin before 1.0.277 allows authenticated users with
Broken access control in the Rank Math SEO WordPress plugin (versions ≤ 1.0.271) allows authenticated subscribers to inv
Same weakness CWE-502 – Deserialization of Untrusted Data
View allShare
External POC / Exploit Code
Leaving vuln.today