CVE-2026-78477: CWE-266 Incorrect Privilege Assignment in MVPThemes Jawn
The Jawn WordPress theme by MVPThemes contains a critical privilege escalation vulnerability (CWE-266) in all versions up to and including 1.4.2. This flaw allows unauthenticated attackers to elevate their privileges to administrator level. The vulnerability has a CVSS 3.1 score of 9.8, indicating a severe security risk. No official patch or remediation guidance has been provided yet.
AI Analysis
Technical Summary
CVE-2026-78477 describes an incorrect privilege assignment vulnerability in the Jawn WordPress theme by MVPThemes. Versions up to and including 1.4.2 are affected. The flaw permits unauthenticated attackers to escalate privileges to administrator, potentially compromising the entire WordPress site. The vulnerability is classified under CWE-266 (Incorrect Privilege Assignment) and has a critical CVSS score of 9.8. No vendor advisory or patch information is currently available.
Potential Impact
Successful exploitation allows unauthenticated attackers to gain administrator privileges on WordPress sites using the vulnerable Jawn theme, leading to full site compromise including confidentiality, integrity, and availability impacts.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is available, restrict access to the WordPress installation and consider disabling or replacing the Jawn theme to reduce exposure.
CVE-2026-78477: CWE-266 Incorrect Privilege Assignment in MVPThemes Jawn
Description
The Jawn WordPress theme by MVPThemes contains a critical privilege escalation vulnerability (CWE-266) in all versions up to and including 1.4.2. This flaw allows unauthenticated attackers to elevate their privileges to administrator level. The vulnerability has a CVSS 3.1 score of 9.8, indicating a severe security risk. No official patch or remediation guidance has been provided yet.
CVSS v3.1
Score 9.8critical
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-78477 describes an incorrect privilege assignment vulnerability in the Jawn WordPress theme by MVPThemes. Versions up to and including 1.4.2 are affected. The flaw permits unauthenticated attackers to escalate privileges to administrator, potentially compromising the entire WordPress site. The vulnerability is classified under CWE-266 (Incorrect Privilege Assignment) and has a critical CVSS score of 9.8. No vendor advisory or patch information is currently available.
Potential Impact
Successful exploitation allows unauthenticated attackers to gain administrator privileges on WordPress sites using the vulnerable Jawn theme, leading to full site compromise including confidentiality, integrity, and availability impacts.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is available, restrict access to the WordPress installation and consider disabling or replacing the Jawn theme to reduce exposure.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Wordfence
- Date Reserved
- 2026-08-24T16:53:08.840Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a8d2db0acd9273b49bfb12f
Added to database: 08/25/2026, 05:52:48 UTC
Last enriched: 08/25/2026, 06:07:10 UTC
Last updated: 08/25/2026, 06:12:06 UTC
Views: 20
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