Missing authorization in mateuszgbiorczyk Converter for Media – Optimize images | Convert…
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- None · Low · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-862.
Summary
The Converter for Media – Optimize images | Convert WebP & AVIF plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the `/webp-converter/v1/regenerate-attachment` REST endpoint in all versions up to, and including, 6.3.2. This makes it possible for authenticated attackers, with Subscriber-level access and above, to delete optimized WebP/AVIF variants for arbitrary attachments.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| mateuszgbiorczyk | Converter for Media – Optimize images | Convert WebP & AVIF | up to 6.3.2 | — | No fix listed | CNA |
- Converter for Media – Optimize images | Convert WebP & AVIF Vendormateuszgbiorczyk Affected up to 6.3.2 Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2025-13750
- 2026-10-03 Alias added: GHSA-47g6-47gx-6mw7
References
More mateuszgbiorczyk vulnerabilities
- TI-2026-01061 Server-side request forgery in mateuszgbiorczyk Converter for Media – Optimize images |… CVSS 3.1MEDIUM 4.8
Sources
- CVE-2025-13750 · CVE Program
- CVE-2025-13750 · NVD
- FIRST EPSS
- GHSA-47g6-47gx-6mw7 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences