CVE-2026-14812 json
Premium SEO - Unauthenticated Backdoor (Admin Creation / RCE / SSRF / Content Injection)
published 2026-08-06 3 mo ago modified 2026-08-26 2 mo ago also EUVD-2026-54181
- cvss
- 10.0
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.8%
- EPSS 0.8% chance of exploitation in 30 days, percentile 57%
- public exploits
- 0
- none known
Summary
The Premium SEO WordPress plugin is malicious: it ships an unauthenticated backdoor that creates a hidden administrator account and, in some builds, also enables remote code execution, server-side request forgery and arbitrary front-end script/content injection, giving an unauthenticated attacker full control of the affected site.
CISA SSVC
- Exploitation
- Proof of concept is public
- Automatable
- yes
- Technical impact
- total
- Assessed
- 3 mo ago
Exploit prediction
0.83% chance of exploitation in the next 30 days, higher than 57% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- wpscan.com https://wpscan.com/vulnerability/0115a640-7139-4ef9-81be-6ee5c755a601/ referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 10.0 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H |
Affected products
- Unknown Premium SEO
Classification
- Weakness
-
- CWE-912 Hidden Functionality
- Technology feeds
References
-
wpscan.com
/vulnerability/0115a640-7139-4ef9-81be-6ee5c755a601/
exploit, vdb-entry, technical-description
Sources
- CVE List CVE-2026-14812
- NVD CVE-2026-14812
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.