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CVE-2021-24161

26
FAUCET Score

CVE-2021-24161 describes a critical vulnerability in the Responsive Menu (free and Pro) WordPress plugins prior to version 4.0.4, allowing attackers to upload malicious PHP files via a crafted zip archive, leading to remote code execution. With a CVSS score of 8.8 (High), this vulnerability requires user interaction (UI:R) but can be exploited remotely (AV:N) with low attack complexity (AC:L), potentially resulting in complete compromise of confidentiality, integrity, and availability. There is currently no public exploit code available (Metasploit, Nuclei, ExploitDB: None), and the CVE shows minimal community discussion or media coverage, suggesting it is not widely known or actively exploited.

Impacted Technologies

VendorProductVersion(s)CPE
< 4.0.4CPE matchmatch criteria
cpe:2.3:a:expresstech:responsive_menu:*:*:*:*:free:wordpress:*:*
< 4.0.4CPE matchmatch criteria
cpe:2.3:a:expresstech:responsive_menu:*:*:*:*:pro:wordpress:*:*

CVSS Data

CVSS version used by this source: 3.1

8.8HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
2.8
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.25%
Probability of exploitation in next 30 days
EPSS Percentile
66.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0125 is in the 65th percentile among its peer group of 14,875 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.1 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

wpscan.com / vulnerability/efca27e0-bdb6-4497-8330-081f909d6933
Third Party Advisory
wordfence.com / blog/2021/02/multiple-vulnerabilities-patched-in-responsive-menu-plugin
ExploitThird Party Advisory