Arbitrary file upload in Expresstech Responsive Menu
CVE-2021-24160
In the Reponsive Menu (free and Pro) WordPress plugins before 4.0.4, subscribers could upload zip archives containing malicious PHP files that would get extracted to the /rmp-menu/ directory. These files could then be accessed via the front end of the site to trigger remote code execution and ultimately allow an attacker to execute commands to further infect a WordPress site.
Vulnerability class: Unrestricted File Upload
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.082 (94.7th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 95th percentile — 94.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.082 · newest: 0.082 · change: 0.000
Affected products
- Expresstech Responsive Menu
- Expresstech Responsive Menu – Create Mobile-Friendly — versions 4.0.4
- Expresstech Responsive Menu Pro — versions 4.0.4
Weakness classification (CWE)
Public proof-of-concept exploits
References
- wpscan.com/vulnerability/066ba5d4-4aaa-4462-b106-500c1f291c37 (Exploit, Third Party Advisory)
- www.wordfence.com/blog/2021/02/multiple-vulnerabilities-patched-in-responsive-m… (Exploit, Third Party Advisory)
Frequently asked questions
- What is CVE-2021-24160?
- CVE-2021-24160 is a high-severity vulnerability in Expresstech Responsive Menu, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 8.8/10. Published 2021-04-05.
- How severe is CVE-2021-24160?
- High severity. CVSS v3 base score is 8.8 out of 10.
- Is CVE-2021-24160 known to be exploited?
- 16 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.