CVE-2021-24161 json
Responsive Menu < 4.0.4 - CSRF to Arbitrary File Upload
published 2021-04-05 5 y ago modified 2026-06-17 4 mo ago also EUVD-2021-11075
- cvss
- 8.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.2%
- EPSS 1.2% chance of exploitation in 30 days, percentile 69%
- public exploits
- 0
- none known
Summary
In the Reponsive Menu (free and Pro) WordPress plugins before 4.0.4, attackers could craft a request and trick an administrator into uploading a zip archive containing malicious PHP files. The attacker could then access those files to achieve remote code execution and further infect the targeted site.
Patch / fix
- expresstech responsive_menu 4.0.4
Exploit prediction
1.25% chance of exploitation in the next 30 days, higher than 69% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- wordfence.com https://www.wordfence.com/blog/2021/02/multiple-vulnerabilities-patched-in-responsive-menu-plugin/ referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 8.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 6.8 | AV:N/AC:M/Au:N/C:P/I:P/A:P |
Affected products
- ExpressTech Responsive Menu – Create Mobile-Friendly Menu
- ExpressTech Responsive Menu Pro
Classification
- Weakness
-
- CWE-352 Cross-Site Request Forgery
- Technology feeds
References
-
wordfence.com
/blog/2021/02/multiple-vulnerabilities-patched-in-responsive-menu-plugin/
exploit, third-party-advisory
-
wpscan.com
/vulnerability/efca27e0-bdb6-4497-8330-081f909d6933
third-party-advisory
Sources
- CVE List CVE-2021-24161
- NVD CVE-2021-24161
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.