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CVE-2021-24356

28
FAUCET Score

CVE-2021-24356 is a high-severity vulnerability affecting the Simple 301 Redirects by BetterLinks WordPress plugin prior to version 2.0.4. It allows authenticated users to activate any installed plugin due to insufficient capability and nonce checks. With a CVSS score of 8.8 (High), this vulnerability presents a significant risk, enabling attackers to potentially achieve high confidentiality, integrity, and availability impacts. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
>= 2.0.0, < 2.0.4CPE matchmatch criteria
cpe:2.3:a:wpdeveloper:simple_301_redirects:*:*:*:*:*:wordpress:*:*

CVSS Data

CVSS version used by this source: 3.1

8.8HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
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
3.00%
Probability of exploitation in next 30 days
EPSS Percentile
85.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0300 is in the 85th percentile among its peer group of 17,829 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.3 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 0.1 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/be356530-5e00-4f27-8177-b80f3c1ae6e8
ExploitThird Party Advisory
wordfence.com / blog/2021/05/severe-vulnerabilities-patched-in-simple-301-redirects-by-betterlinks-plugin
ExploitThird Party Advisory