# CVE-2021-24806: wpDiscuz < 7.3.4 - Arbitrary Comment Addition/Edition/Deletion via CSRF

> Attackers can trick logged-in users into adding, editing, or deleting arbitrary comments via CSRF, compromising comment integrity.

- **Severity:** Medium 4.3 (`CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/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:** 8 Nov 2021
- **Updated:** 3 Aug 2024
- **Also known as:** GHSA-q4r2-83hh-f65v

## What is CVE-2021-24806?

CVE-2021-24806 is a medium-severity vulnerability in Unknown Comments – wpDiscuz, published on 8 Nov 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 wpDiscuz WordPress plugin before 7.3.4 does check for CSRF when adding, editing and deleting comments, which could allow attacker to make logged in users such as admin edit and delete arbitrary comment, or the user who made the comment to edit it via a CSRF attack. Attackers could also make logged in users post arbitrary comment.

Weakness: CWE-352 (Cross-Site Request Forgery)

## Which versions are affected by CVE-2021-24806?

It affects 1 product.


Products: Gvectors Wpdiscuz.

## How do I fix CVE-2021-24806?

No fix has been published for CVE-2021-24806 yet. Limit exposure of the affected software until one is available.

## Is CVE-2021-24806 being exploited?

There is no known exploitation of CVE-2021-24806 in the wild and no public exploit code.

## Other vulnerabilities in Unknown Comments – wpDiscuz

- [CVE-2020-24186](https://insights.sbomify.com/CVE-2020-24186/): File upload in n/a (critical 10.0)
- [CVE-2024-9488](https://insights.sbomify.com/CVE-2024-9488/): Comments – wpDiscuz <= 7.6.24 - Authentication Bypass via WordPress.com OAuth provider (critical 9.8)
- [CVE-2020-13640](https://insights.sbomify.com/CVE-2020-13640/): SQL injection in n/a (critical 9.8)
- [CVE-2026-22193](https://insights.sbomify.com/CVE-2026-22193/): wpDiscuz before 7.6.47 - SQL Injection in getAllSubscriptions() (critical 9.2)
- [CVE-2026-22192](https://insights.sbomify.com/CVE-2026-22192/): Voltronic Power SNMP Web Pro 1.1 Authentication Bypass via localStorage (high 8.8)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2021-24806 and fix it if it is affected.

What it is: CVE-2021-24806 is a medium-severity vulnerability in Unknown Comments – wpDiscuz, published on 8 Nov 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-2021-24806 in the wild and no public exploit code.

Affected product: Unknown Comments – wpDiscuz. 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-2021-24806/ (Markdown: https://insights.sbomify.com/CVE-2021-24806/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2021-24806
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2021-24806
- OSV: https://osv.dev/vulnerability/CVE-2021-24806

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From sbomify Insights: https://insights.sbomify.com/CVE-2021-24806/
Summaries are generated and may contain mistakes; the official description above is the record.