# CVE-2021-24636: Print My Blog < 3.4.2 - Plugin Deactivation via CSRF

> Attackers can trick administrators into deactivating the Print My Blog plugin and deleting its data via a malicious link due to missing CSRF checks.

- **Severity:** High 8.1 (`CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:H`)
- **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:** 20 Sep 2021
- **Updated:** 3 Aug 2024
- **Also known as:** GHSA-587q-w3p6-m55g

## What is CVE-2021-24636?

CVE-2021-24636 is a high-severity vulnerability in Unknown Print My Blog – Print, PDF, & eBook Converter WordPress Plugin, published on 20 Sep 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 Print My Blog WordPress Plugin before 3.4.2 does not enforce nonce (CSRF) checks, which allows attackers to make logged in administrators deactivate the Print My Blog plugin and delete all saved data for that plugin by tricking them to open a malicious link

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

## Which versions are affected by CVE-2021-24636?

It affects 1 product.


Products: Print My Blog Project Print My Blog.

## How do I fix CVE-2021-24636?

No fix has been published for CVE-2021-24636 yet. Limit exposure of the affected software until one is available.

## Is CVE-2021-24636 being exploited?

There is no known exploitation of CVE-2021-24636 in the wild and no public exploit code.

## Other vulnerabilities in Unknown Print My Blog – Print, PDF, & eBook Converter WordPress Plugin

- [CVE-2019-11565](https://insights.sbomify.com/CVE-2019-11565/): Server-side request forgery in n/a (critical 9.8)
- [CVE-2024-37271](https://insights.sbomify.com/CVE-2024-37271/): WordPress Print My Blog plugin <= 3.27.0 - Cross Site Scripting (XSS) vulnerability (medium 5.9)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2021-24636 and fix it if it is affected.

What it is: CVE-2021-24636 is a high-severity vulnerability in Unknown Print My Blog – Print, PDF, & eBook Converter WordPress Plugin, published on 20 Sep 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-2021-24636 in the wild and no public exploit code.

Affected product: Unknown Print My Blog – Print, PDF, & eBook Converter WordPress Plugin. 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-2021-24636/ (Markdown: https://insights.sbomify.com/CVE-2021-24636/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2021-24636
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2021-24636
- OSV: https://osv.dev/vulnerability/CVE-2021-24636

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From sbomify Insights: https://insights.sbomify.com/CVE-2021-24636/
Summaries are generated and may contain mistakes; the official description above is the record.