CVE-2021-24626
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.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.73%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
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
- CVSS 3.1
- 8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 0.73% probability · 54th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-89, CWE-352
- Affected
- chameleon css project/chameleon css
- Source
- contact@wpscan.com
EPSS 0.7% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- https://codevigilant.com/disclosure/2021/wp-plugin-chameleon-css/Exploit, Third Party Advisory
- https://wpscan.com/vulnerability/06cb6c14-99b8-45b6-be2e-f4dcca8a4165Exploit, Third Party Advisory
- https://codevigilant.com/disclosure/2021/wp-plugin-chameleon-css/Exploit, Third Party Advisory
- https://wpscan.com/vulnerability/06cb6c14-99b8-45b6-be2e-f4dcca8a4165Exploit, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.