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CVE-2021-24537

24
FAUCET Score

CVE-2021-24537 is a critical vulnerability affecting the Similar Posts WordPress plugin up to version 3.1.5, allowing high-privilege users to execute arbitrary PHP code even in hardened environments. With a CVSS score of 7.2 (High), this vulnerability presents a significant risk due to its low attack complexity and potential for complete compromise of confidentiality, integrity, and availability. While no public exploits, Metasploit modules, or Nuclei templates are currently available, and there is minimal community discussion or media coverage, its potential impact warrants attention.

Impacted Technologies

VendorProductVersion(s)CPE
<= 3.1.5CPE matchmatch criteria
cpe:2.3:a:shareaholic:similar_posts:*:*:*:*:*:wordpress:*:*

CVSS Data

CVSS version used by this source: 3.1

7.2HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
1.2
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.51%
Probability of exploitation in next 30 days
EPSS Percentile
71.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0151 is in the 66th percentile among its peer group of 5,531 CVEs.

Social Chatter

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

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 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/0d6b46cb-5244-486f-ad70-4023907ac9eb
ExploitThird Party Advisory