# CVE-2021-24626: Chameleon CSS <= 1.2 - Subscriber+ SQL Injection

> Authenticated subscribers can exploit SQL injection in the Chameleon CSS WordPress plugin to read or modify database contents via unsanitized AJAX parameters.

- **Severity:** High 8.8 (`CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 8 Nov 2021
- **Updated:** 3 Aug 2024
- **Also known as:** GHSA-55v2-rhxp-258p

## What is CVE-2021-24626?

CVE-2021-24626 is a high-severity SQL injection vulnerability in Unknown Chameleon CSS, published on 8 Nov 2021. Any signed-in user can exploit it over the network, with no action from the victim.

### Official 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

Weakness: CWE-89 (Improper Neutralization of Special Elements used in an SQL Command), CWE-352 (Cross-Site Request Forgery)

## Which versions are affected by CVE-2021-24626?

It affects 1 product.


Products: Chameleon Css Project Chameleon Css.

## How do I fix CVE-2021-24626?

No fix has been published for CVE-2021-24626 yet. Limit exposure of the affected software until one is available.

## Is CVE-2021-24626 being exploited?

There is no known exploitation of CVE-2021-24626 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2021-24626 and fix it if it is affected.

What it is: CVE-2021-24626 is a high-severity SQL injection vulnerability in Unknown Chameleon CSS, published on 8 Nov 2021. Any signed-in user can exploit it over the network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2021-24626 in the wild and no public exploit code.

Affected product: Unknown Chameleon CSS. No package-level version data is available, so check the vendor advisory linked from the reference page.

Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.

Reference: https://insights.sbomify.com/CVE-2021-24626/ (Markdown: https://insights.sbomify.com/CVE-2021-24626/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2021-24626
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2021-24626
- OSV: https://osv.dev/vulnerability/CVE-2021-24626

---
From sbomify Insights: https://insights.sbomify.com/CVE-2021-24626/
Summaries are generated and may contain mistakes; the official description above is the record.