WordPress theme
Jawn <= 1.4.2 — Unauthenticated Privilege Escalation
CVE-2026-66648Published · Updated Action summary
Affected: ≤1.4.2No patch available
What to do until a fix shipsCritical9.8CVSS 3.19.8CISA KEVNot listedAccessNo account needed
On this page3
Overview
- Advisory ID
- CVE-2026-66648
- Product
- Jawn jawn
- Affected
- ≤1.4.2
- Fixed in
- no fix yet
- Required access
- No account needed
- Published
- · updated
- Credit
- Tran Nguyen Bao Khanh
- Source
- Wordfence Intelligence
- Affected≤ 1.4.2
- PatchedNo fix yet
No patched version available.
9.8
CVSS 3.1 · CNA (Wordfence)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HWhat does this vector mean?
AV:NAttack vector- Network
AC:LAttack complexity- Low
PR:NPrivileges required- None
UI:NUser interaction- None
S:UScope- Unchanged
C:HConfidentiality- High
I:HIntegrity- High
A:HAvailability- High
The Jawn theme for WordPress is vulnerable to Privilege Escalation in all versions up to, and including, 1.4.2. This makes it possible for unauthenticated attackers to elevate their privileges to that of an administrator.
Not sure which version you run? Run a passive check — it reads public files only.
Remediation & mitigations
- No known patch available. Please review the vulnerability's details in depth and employ mitigations based on your organization's risk tolerance. It may be best to uninstall the affected software and find a replacement.
- Rotate administrator passwords and application secrets if the site ran a vulnerable version while publicly reachable.
References & provenance
Proof-of-concept & detection
No public proof-of-concept or detection template is known for this vulnerability.
Advisories & patches
- Advisorywordfence.com
Timeline
CVE published
Severity critical, CVSS 9.8
Record last updated
Sources & licenses
Sources & licenses
Wordfence record- Vulnerability data
- Wordfence Intelligence. Copyright 2012-2026 Defiant Inc. Licensed under the CC BY-SA 4.0.
- CVE® identifiers
- Copyright 1999-2026 The MITRE Corporation. Used under the CVE Program. CVE® is a registered trademark of The MITRE Corporation.
- CVSS / CWE
- National Vulnerability Database (NVD), shown unmodified. This product uses the NVD API but is not endorsed or certified by the NVD.
- VulnCrest content
- Summary, remediation guidance and page layout © VulnCrest. Not sourced from NVD.