CVE-2021-25074 json
WebP Converter for Media < 4.0.3 - Unauthenticated Open redirect
published 2022-01-24 4 y ago modified 2026-06-17 4 mo ago also EUVD-2021-11986
- cvss
- 6.1
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 2.2%
- EPSS 2.2% chance of exploitation in 30 days, percentile 82%
- public exploits
- 0
- none known, plus a Nuclei check
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
Patch / fix
- webp_converter_for_media_project webp_converter_for_media 4.0.3
Exploit prediction
2.16% chance of exploitation in the next 30 days, higher than 82% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- Nuclei template WordPress WebP Converter for Media < 4.0.3 - Unauthenticated Open Redirect nuclei detection template
- wpscan.com https://wpscan.com/vulnerability/f3c0a155-9563-4533-97d4-03b9bac83164 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 6.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
| NVD | 2.0 | 5.8 | AV:N/AC:M/Au:N/C:P/I:P/A:N |
Affected products
- Unknown WebP Converter for Media – Convert WebP and AVIF & Optimize Images
Classification
- Weakness
-
- CWE-601 URL Redirection to Untrusted Site
- Technology feeds
References
-
wpscan.com
/vulnerability/f3c0a155-9563-4533-97d4-03b9bac83164
exploit, third-party-advisory
Sources
- CVE List CVE-2021-25074
- NVD CVE-2021-25074
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.