WebP Converter for Media < 4.0.3 - Unauthenticated Open redirect
Priority LOW 31CWE-601Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Spoofing
- Confidentiality · integrity · availability
- Low · Low · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-601.
Summary
The WebP Converter for Media WordPress plugin before 4.0.3 contains a file (passthru.php) which does not validate the src parameter before redirecting the user to it, leading to an Open Redirect issue
Why it matters now
EPSS 0.02161 82nd percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed WebP Converter for Media – Convert WebP and AVIF & Optimize Images (Unknown): 4.0.3
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Unknown | WebP Converter for Media – Convert WebP and AVIF & Optimize Images | 4.0.3 to before 4.0.3 | 4.0.3 | Patch available | CNA |
- WebP Converter for Media – Convert WebP and AVIF & Optimize Images VendorUnknown Affected 4.0.3 to before 4.0.3 Fixed in 4.0.3 Patch available CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:webp_converter_for_media_project:webp_converter_for_media:*:*:*:*:*:wordpress:*:* | before 4.0.3 | Vulnerable | Webp Converter For Media Project |
- cpe:2.3:a:webp_converter_for_media_project:webp_converter_for_media:*:*:*:*:*:wordpress:*:* Versions before 4.0.3 Vulnerable ·Webp Converter For Media Project
Remediation
- Fix · CNA WebP Converter for Media – Convert WebP and AVIF & Optimize Images (Unknown) Fixed in 4.0.3
Timeline
- 2026-10-02 Threatist record created from CVE-2021-25074
- 2026-10-03 Alias added: GHSA-4wcp-h664-5xc6
References
More Webp Converter For Media Project Webp Converter For Media vulnerabilities
- TI-2019-11901 The webp-converter-for-media plugin before 1.0.3 for WordPress has CSRF. CVSS 3.0HIGH 8.8
Sources
- CVE-2021-25074 · CVE Program
- CVE-2021-25074 · NVD
- FIRST EPSS
- GHSA-4wcp-h664-5xc6 · 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