# CVE-2021-36887: Cross-site request forgery in tarteaucitron.js – Cookies legislation & GDPR (WordPress plugin)

> A CSRF vulnerability in the tarteaucitron.js WordPress plugin allows attackers to inject malicious scripts via vulnerable parameters, potentially leading to XSS.

- **Severity:** Medium 6.1 (`CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:L`)
- **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 Dec 2021
- **Updated:** 28 Apr 2026
- **Also known as:** GHSA-w9q6-vv8m-4f39

## What is CVE-2021-36887?

CVE-2021-36887 is a medium-severity vulnerability in tarteaucitron.js – Cookies legislation & GDPR (WordPress plugin), published on 20 Dec 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

Cross-Site Request Forgery (CSRF) vulnerability leading to Cross-Site Scripting (XSS) discovered in tarteaucitron.js – Cookies legislation & GDPR WordPress plugin (versions <= 1.5.4), vulnerable parameters "tarteaucitronEmail" and "tarteaucitronPass".

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

## Which versions are affected by CVE-2021-36887?

It affects 1 product.


Products: Tarteaucitron.js - Cookies Legislation \& Gdpr Project Tarteaucitron.js - Cookies Legislation \& Gdpr.

## How do I fix CVE-2021-36887?

No fix has been published for CVE-2021-36887 yet. Limit exposure of the affected software until one is available.

## Is CVE-2021-36887 being exploited?

There is no known exploitation of CVE-2021-36887 in the wild and no public exploit code.

## Other vulnerabilities in tarteaucitron.js – Cookies legislation & GDPR (WordPress plugin)

- [CVE-2021-36889](https://insights.sbomify.com/CVE-2021-36889/): Cross-site scripting in tarteaucitron.js – Cookies legislation & GDPR (WordPress plugin) (low 3.4)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2021-36887 and fix it if it is affected.

What it is: CVE-2021-36887 is a medium-severity vulnerability in tarteaucitron.js – Cookies legislation & GDPR (WordPress plugin), published on 20 Dec 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-2021-36887 in the wild and no public exploit code.

Affected product: tarteaucitron.js – Cookies legislation & GDPR (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-2021-36887/ (Markdown: https://insights.sbomify.com/CVE-2021-36887/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2021-36887
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2021-36887
- OSV: https://osv.dev/vulnerability/CVE-2021-36887

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From sbomify Insights: https://insights.sbomify.com/CVE-2021-36887/
Summaries are generated and may contain mistakes; the official description above is the record.