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CVE-2021-24626

Chameleon CSS <= 1.2 - Subscriber+ SQL Injection

8.8 High

The Chameleon CSS WordPress plugin through 1.2 does not have any CSRF and capability checks in all its AJAX calls, allowing any authenticated user, such as subscriber to call them and perform unauthorised actions. One of AJAX call, remove_css, also does not sanitise or escape the css_id POST parameter before using it in a SQL statement, leading to a SQL Injection

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
Low
User interaction
None

What an attacker can affect

Confidentiality
High
Integrity
High
Availability
High

Exploit likelihood

0.73%Up 0.1 points since Nov 9, 2021
90%50%10%1%

What each source reports

NVD Score used8.8

The Chameleon CSS WordPress plugin through 1.2 does not have any CSRF and capability checks in all its AJAX calls, allowing any authenticated user, such as subscriber to call them and perform unauthorised actions. One of AJAX call, remove_css, also does not sanitise or escape the css_id POST parameter before using it in a SQL statement, leading to a SQL Injection

Record
CVE-2021-24626
CVSS 3.1
8.8 HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0
6.5 MediumAV:N/AC:L/Au:S/C:P/I:P/A:P
Weakness
CWE-89, CWE-352
Updated
2026-11-02
CVE ListNo score

Chameleon CSS <= 1.2 - Subscriber+ SQL Injection

The Chameleon CSS WordPress plugin through 1.2 does not have any CSRF and capability checks in all its AJAX calls, allowing any authenticated user, such as subscriber to call them and perform unauthorised actions. One of AJAX call, remove_css, also does not sanitise or escape the css_id POST parameter before using it in a SQL statement, leading to a SQL Injection

Record
CVE-2021-24626
Weakness
CWE-89, CWE-352
Updated
2026-11-02
EUVDEUVD-2021-11538No score

The Chameleon CSS WordPress plugin through 1.2 does not have any CSRF and capability checks in all its AJAX calls, allowing any authenticated user, such as subscriber to call them and perform unauthorised actions. One of AJAX call, remove_css, also does not sanitise or escape the css_id POST parameter before using it in a SQL statement, leading to a SQL Injection

Record
EUVD-2021-11538
Updated
2026-11-03
GitHub AdvisoriesGHSA-55v2-rhxp-258p8.8

The Chameleon CSS WordPress plugin through 1.2 does not have any CSRF and capability checks in...

The Chameleon CSS WordPress plugin through 1.2 does not have any CSRF and capability checks in all its AJAX calls, allowing any authenticated user, such as subscriber to call them and perform unauthorised actions. One of AJAX call, remove_css, also does not sanitise or escape the css_id POST parameter before using it in a SQL statement, leading to a SQL Injection

Record
GHSA-55v2-rhxp-258p
CVSS 3.1
8.8 HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness
CWE-89, CWE-352
Updated
2026-11-02

Affected products

History

History
RecordedChangedSources
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2021-24626 is a high vulnerability (CVSS 8.8) in Chameleon Css Project Css, published November 8, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.73%, the 54th percentile. No source names a fixed version.

References

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