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CVE-2021-24376

29
FAUCET Score

CVE-2021-24376 is a critical vulnerability affecting the Autoptimize WordPress plugin prior to version 2.7.8. It allows for Remote Code Execution (RCE) by bypassing previous security measures, enabling attackers to upload and execute malicious PHP files via the "Import Settings" feature. This vulnerability has a CVSS score of 9.8, indicating a critical severity with a network-based attack vector, low complexity, and high impact on confidentiality, integrity, and availability. While no active exploitation or public exploit code (Metasploit, Nuclei, ExploitDB) has been identified, and community discussion is minimal, its high EPSS and FAUCET Risk Score highlight its significant potential for exploitation.

Impacted Technologies

VendorProductVersion(s)CPE
< 2.7.8CPE matchmatch criteria
cpe:2.3:a:autoptimize:autoptimize:*:*:*:*:*:wordpress:*:*

CVSS Data

CVSS version used by this source: 3.1

9.8CRITICAL

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
3.73%
Probability of exploitation in next 30 days
EPSS Percentile
88.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0373 is in the 81st percentile among its peer group of 36,862 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 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 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

wpscan.com / vulnerability/93edcc23-894a-46c2-84d2-407dcb64ba1e
ExploitThird Party Advisory