CVE & CISA-KEV Catalog

CVE-2021-24867

CRITICALEPSS 97th pctl
9.8
CVSS v3
NVD

Description

Numerous Plugins and Themes from the AccessPress Themes (aka Access Keys) vendor are backdoored due to their website being compromised. Only plugins and themes downloaded via the vendor website are affected, and those hosted on wordpress.org are not. However, all of them were updated or removed to avoid any confusion

How to fix

Remediation Available
ap companionNVD
Affected:< 1.0.7Fixed in:1.0.7CVE-2021-24867derived from NVD
mcontact buttonNVD
Affected:< 2.0.7Fixed in:2.0.7CVE-2021-24867derived from NVD
social reviewNVD
Affected:< 1.0.9Fixed in:1.0.9CVE-2021-24867derived from NVD
wp menu icons liteNVD
Affected:< 1.0.9Fixed in:1.0.9CVE-2021-24867derived from NVD

TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredNone
User InteractionNone
ScopeUnchanged

Impact

ConfidentialityHigh
IntegrityHigh
AvailabilityHigh

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

Exploit Intelligence

18.88%probability of exploitation in 30 days
97thpercentile

Very high risk: more likely to be exploited than 97% of all known CVEs.

References

Related Vulnerabilities

Other CWE-912 vulnerabilities, ordered by exploit likelihood. View all

CVESeverityCVSSEPSSExploitedFix
CVE-2024-20439Critical9.892%KEVFix
CVE-2025-34117Unscored-20%--
CVE-2024-6045High8.86.3%--
CVE-2020-16204Critical9.85.5%--
CVE-2010-20103Critical9.85.1%--
CVE-2020-12504Critical9.83.0%-Fix

Common questions

How do I fix CVE-2021-24867?

Published advisories record a fix for 4 affected products. The "How to fix" section on this page lists the fixed version and source advisory for each one, so apply the entry matching what you actually run.

Is CVE-2021-24867 being actively exploited?

Not that we know of. CVE-2021-24867 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 18.9% is the estimated probability that it will be exploited in the next 30 days. That is higher than 97% of all scored CVEs.

How severe is CVE-2021-24867?

CVE-2021-24867 has a CVSS v3 base score of 9.8, rated critical. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.

What does CVE-2021-24867 affect?

Published advisories record a fix for ap companion (NVD), mcontact button (NVD), social review (NVD), wp menu icons lite (NVD). Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.