CVE-2026-75873: CWE-434 Unrestricted Upload of File with Dangerous Type in Zella Theme
The Zella Theme WordPress theme before 2.6.3 does not perform any capability or nonce check on one of its font upload actions, which is available to unauthenticated users, allowing them to upload arbitrary files, including PHP ones, and achieve remote code execution.
AI Analysis
Technical Summary
The Zella Theme WordPress theme prior to version 2.6.3 contains an unrestricted file upload vulnerability (CWE-434) in one of its font upload actions. This action does not enforce capability or nonce verification and is accessible to unauthenticated users. As a result, attackers can upload arbitrary files, including executable PHP files, enabling remote code execution on the server hosting the theme.
Potential Impact
Successful exploitation allows unauthenticated attackers to upload arbitrary files, including PHP scripts, which can lead to remote code execution. This compromises the confidentiality, integrity, and availability of the affected system.
Mitigation Recommendations
A fix is available in Zella Theme version 2.6.3. Users should upgrade to version 2.6.3 or later to remediate this vulnerability. No other mitigation guidance is provided.
CVE-2026-75873: CWE-434 Unrestricted Upload of File with Dangerous Type in Zella Theme
Description
The Zella Theme WordPress theme before 2.6.3 does not perform any capability or nonce check on one of its font upload actions, which is available to unauthenticated users, allowing them to upload arbitrary files, including PHP ones, and achieve remote code execution.
Affected software
Zella Theme
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The Zella Theme WordPress theme prior to version 2.6.3 contains an unrestricted file upload vulnerability (CWE-434) in one of its font upload actions. This action does not enforce capability or nonce verification and is accessible to unauthenticated users. As a result, attackers can upload arbitrary files, including executable PHP files, enabling remote code execution on the server hosting the theme.
Potential Impact
Successful exploitation allows unauthenticated attackers to upload arbitrary files, including PHP scripts, which can lead to remote code execution. This compromises the confidentiality, integrity, and availability of the affected system.
Mitigation Recommendations
A fix is available in Zella Theme version 2.6.3. Users should upgrade to version 2.6.3 or later to remediate this vulnerability. No other mitigation guidance is provided.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- WPScan
- Date Reserved
- 2026-08-18T12:21:11.092Z
- State
- PUBLISHED
Threat ID: 6abcab00236a9c741f0493e6
Added to database: 09/30/2026, 06:24:00 UTC
Last enriched: 09/30/2026, 06:39:53 UTC
Last updated: 09/30/2026, 07:35:16 UTC
Views: 4
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