# CVE-2021-24615: Wechat Reward <= 1.7 - CSRF to Stored Cross-Site Scripting

> Attackers can exploit CSRF to inject malicious scripts into admin settings, leading to stored XSS and potential account takeover.

- **Severity:** Medium 5.4 (`CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** A user has to click or open something
- **Fix available:** No
- **Published:** 18 Oct 2021
- **Updated:** 3 Aug 2024
- **Also known as:** GHSA-v7w4-wp5x-px69

## What is CVE-2021-24615?

CVE-2021-24615 is a medium-severity cross-site scripting vulnerability in Unknown 微信打赏（Wechat Reward), published on 18 Oct 2021. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

### Official description

The Wechat Reward WordPress plugin through 1.7 does not sanitise or escape its QR settings, nor has any CSRF check in place, allowing attackers to make a logged in admin change the settings and perform Cross-Site Scripting attacks.

Weakness: CWE-79 (Improper Neutralization of Input During Web Page Generation), CWE-352 (Cross-Site Request Forgery)

## Which versions are affected by CVE-2021-24615?

It affects 1 product.


Products: Wechat Reward Project Wechat Reward.

## How do I fix CVE-2021-24615?

No fix has been published for CVE-2021-24615 yet. Limit exposure of the affected software until one is available.

## Is CVE-2021-24615 being exploited?

There is no known exploitation of CVE-2021-24615 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2021-24615 and fix it if it is affected.

What it is: CVE-2021-24615 is a medium-severity cross-site scripting vulnerability in Unknown 微信打赏（Wechat Reward), published on 18 Oct 2021. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Exploitation: There is no known exploitation of CVE-2021-24615 in the wild and no public exploit code.

Affected product: Unknown 微信打赏（Wechat Reward). 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-2021-24615/ (Markdown: https://insights.sbomify.com/CVE-2021-24615/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2021-24615
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2021-24615
- OSV: https://osv.dev/vulnerability/CVE-2021-24615

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From sbomify Insights: https://insights.sbomify.com/CVE-2021-24615/
Summaries are generated and may contain mistakes; the official description above is the record.