CVE-2025-11378: CWE-862 Missing Authorization in shortpixel ShortPixel Image Optimizer – Optimize Images, Convert WebP & AVIF
The ShortPixel Image Optimizer – Optimize Images, Convert WebP & AVIF plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the 'shortpixel_ajaxRequest' AJAX action in all versions up to, and including, 6.3.4. This makes it possible for authenticated attackers, with Contributor-level access and above, to export and import site options.
AI Analysis
Technical Summary
The ShortPixel Image Optimizer plugin for WordPress suffers from a missing authorization check (CWE-862) on its AJAX action 'shortpixel_ajaxRequest'. This flaw enables authenticated users with Contributor-level privileges or above to perform unauthorized export and import of site options. The vulnerability affects all versions up to 6.3.4. The CVSS 3.1 base score is 5.4, reflecting a medium impact with network attack vector, low attack complexity, and requiring privileges. No patch or vendor advisory is currently available, and no exploits are known in the wild.
Potential Impact
An attacker with Contributor-level or higher access can bypass intended authorization controls to export and import site options, potentially modifying site configuration data without proper permissions. This could lead to unauthorized changes in site behavior or settings. The vulnerability does not allow remote unauthenticated exploitation and does not impact availability.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, restrict Contributor-level access to trusted users only and monitor for suspicious activity related to site option exports or imports.
CVE-2025-11378: CWE-862 Missing Authorization in shortpixel ShortPixel Image Optimizer – Optimize Images, Convert WebP & AVIF
Description
The ShortPixel Image Optimizer – Optimize Images, Convert WebP & AVIF plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the 'shortpixel_ajaxRequest' AJAX action in all versions up to, and including, 6.3.4. This makes it possible for authenticated attackers, with Contributor-level access and above, to export and import site options.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
The ShortPixel Image Optimizer plugin for WordPress suffers from a missing authorization check (CWE-862) on its AJAX action 'shortpixel_ajaxRequest'. This flaw enables authenticated users with Contributor-level privileges or above to perform unauthorized export and import of site options. The vulnerability affects all versions up to 6.3.4. The CVSS 3.1 base score is 5.4, reflecting a medium impact with network attack vector, low attack complexity, and requiring privileges. No patch or vendor advisory is currently available, and no exploits are known in the wild.
Potential Impact
An attacker with Contributor-level or higher access can bypass intended authorization controls to export and import site options, potentially modifying site configuration data without proper permissions. This could lead to unauthorized changes in site behavior or settings. The vulnerability does not allow remote unauthenticated exploitation and does not impact availability.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, restrict Contributor-level access to trusted users only and monitor for suspicious activity related to site option exports or imports.
Technical Details
- Data Version
- 5.1
- Assigner Short Name
- Wordfence
- Date Reserved
- 2025-10-06T16:43:29.722Z
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 68f30d8cba51437ed4aaca68
Added to database: 10/18/2025, 3:46:20 AM
Last enriched: 4/9/2026, 8:50:12 PM
Last updated: 5/10/2026, 4:54:22 AM
Views: 165
Community Reviews
0 reviewsCrowdsource mitigation strategies, share intel context, and vote on the most helpful responses. Sign in to add your voice and help keep defenders ahead.
Want to contribute mitigation steps or threat intel context? Sign in or create an account to join the community discussion.
Actions
Updates to AI analysis require Pro Console access. Upgrade inside Console → Billing.
Need more coverage?
Upgrade to Pro Console for AI refresh and higher limits.
For incident response and remediation, OffSeq services can help resolve threats faster.
Latest Threats
Check if your credentials are on the dark web
Instant breach scanning across billions of leaked records. Free tier available.