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CVE-2021-24867

40
FAUCET Score

CVE-2021-24867 describes a critical backdoor vulnerability affecting numerous plugins and themes downloaded directly from the AccessPress Themes vendor website, not those hosted on wordpress.org. This vulnerability carries a CVSS score of 9.8 (Critical) due to its network-based attack vector, low complexity, and potential for complete compromise of confidentiality, integrity, and availability. While there is no evidence of active exploitation or public exploit code, the vulnerability has garnered some community discussion, indicating awareness within the cybersecurity community.

Impacted Technologies

VendorProductVersion(s)CPE
1.0.0CPE matchmatch criteria
cpe:2.3:a:accesspressthemes:accessbuddy:1.0.0:*:*:*:*:wordpress:*:*
2.8.0CPE matchmatch criteria
cpe:2.3:a:accesspressthemes:accesspress_anonymous_post:2.8.0:*:*:*:*:wordpress:*:*
3.2.1CPE matchmatch criteria
cpe:2.3:a:accesspressthemes:accesspress_basic:3.2.1:*:*:*:*:wordpress:*:*
2.0.1CPE matchmatch criteria
cpe:2.3:a:accesspressthemes:accesspress_custom_css:2.0.1:*:*:*:*:wordpress:*:*
1.0.8CPE matchmatch criteria
cpe:2.3:a:accesspressthemes:accesspress_custom_post_type:1.0.8:*:*:*:*: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
18.88%
Probability of exploitation in next 30 days
EPSS Percentile
97.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.1888 is in the 93rd 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

Patch Available

Remediation records are not available for this CVE.

References

jetpack.com / 2022/01/18/backdoor-found-in-themes-and-plugins-from-accesspress-themes
ExploitThird Party Advisory
wpscan.com / vulnerability/9c76bada-fa32-4c2f-9855-d0efd1e63eff
ExploitThird Party Advisory