# CVE-2021-24296: WP Customer Reviews < 3.5.6 - Authenticated Stored Cross-Site Scripting (XSS)

> Administrators can inject malicious scripts into WP Customer Reviews settings, leading to stored XSS attacks on review pages.

- **Severity:** Medium 4.8 (`CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N`)
- **Exploited in the wild:** Not known
- **Login needed:** An administrator
- **Attackable:** Over the internet
- **Victim action needed:** A user has to click or open something
- **Fix available:** No
- **Published:** 24 May 2021
- **Updated:** 3 Aug 2024
- **Also known as:** GHSA-r7g7-h9q3-437j

## What is CVE-2021-24296?

CVE-2021-24296 is a medium-severity cross-site scripting vulnerability in Go Web Solutions WP Customer Reviews, published on 24 May 2021. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.

### Official description

The WP Customer Reviews WordPress plugin before 3.5.6 did not sanitise some of its settings, allowing high privilege users such as administrators to set XSS payloads in them which will then be triggered in pages where reviews are enabled

Weakness: CWE-79 (Improper Neutralization of Input During Web Page Generation)

## Which versions are affected by CVE-2021-24296?

It affects 1 product.


Products: Gowebsolutions Wp Customer Reviews.

## How do I fix CVE-2021-24296?

No fix has been published for CVE-2021-24296 yet. Limit exposure of the affected software until one is available.

## Is CVE-2021-24296 being exploited?

There is no known exploitation of CVE-2021-24296 in the wild and no public exploit code.

## Other vulnerabilities in Go Web Solutions WP Customer Reviews

- [CVE-2016-10902](https://insights.sbomify.com/CVE-2016-10902/): Cross-site request forgery in n/a (high 8.8)
- [CVE-2021-24135](https://insights.sbomify.com/CVE-2021-24135/): WP Customer Reviews < 3.4.3 - Multiple Unauthenticated and Low Priv Authenticated Stored XSS (medium 6.1)
- [CVE-2016-10901](https://insights.sbomify.com/CVE-2016-10901/): Cross-site scripting in n/a (medium 6.1)
- [CVE-2024-1849](https://insights.sbomify.com/CVE-2024-1849/): WP Customer Reviews < 3.7.1 - Malicious Redirect via HTTP-EQUIV Injection (medium 5.4)
- [CVE-2023-4648](https://insights.sbomify.com/CVE-2023-4648/): WP Customer Reviews <= 3.6.6 - Authenticated (Administrator+) Stored Cross-Site Scripting (medium 4.4)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2021-24296 and fix it if it is affected.

What it is: CVE-2021-24296 is a medium-severity cross-site scripting vulnerability in Go Web Solutions WP Customer Reviews, published on 24 May 2021. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.
Exploitation: There is no known exploitation of CVE-2021-24296 in the wild and no public exploit code.

Affected product: Go Web Solutions WP Customer Reviews. 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-2021-24296/ (Markdown: https://insights.sbomify.com/CVE-2021-24296/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2021-24296
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2021-24296
- OSV: https://osv.dev/vulnerability/CVE-2021-24296

---
From sbomify Insights: https://insights.sbomify.com/CVE-2021-24296/
Summaries are generated and may contain mistakes; the official description above is the record.