# CVE-2021-36787: Cross-site Scripting in the femanager TYPO3 extension

Source: https://junglewise.ai/threats/cve-2021-36787-cross-site-scripting-in-the-femanager-typo3-extension  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2021-09-01  
License: CC BY 4.0 with a link back

CVE-2021-36787 · Severity: info · Published 2021-09-01

Cross-site Scripting in the femanager TYPO3 extension

Technologies: [in2code/femanager (Packagist)](https://junglewise.ai/threats/technologies/in2code-femanager). Vendors: [Packagist](https://junglewise.ai/threats/vendors/packagist).

## Quick answers

**Is CVE-2021-36787 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2021-36787 being exploited in the wild.

**How severe is CVE-2021-36787?** Informational severity, published 1 September 2021.

**Which products and versions are affected?** in2code/femanager (Packagist) ECOSYSTEM:introduced=0,fixed=5.5.1.

**Is there a fix for CVE-2021-36787?** Yes. in2code/femanager (Packagist): upgrade to 5.5.1 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**Am I affected by CVE-2021-36787?** Check whether you run in2code/femanager (Packagist) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## How to fix

- in2code/femanager (Packagist): upgrade to 5.5.1 or later

  ```sh
  composer require in2code/femanager:^5.5.1
  ```


## Affected products

- in2code/femanager (Packagist) ECOSYSTEM:introduced=0,fixed=5.5.1

## Identifiers

- CVE-2021-36787
- GHSA-f3rf-v9qm-9c89

## Related threats

- [TYPO3 femanager broken access control in edit user component](https://junglewise.ai/threats/cve-2023-50459-typo3-femanager-broken-access-control-in-edit-user-component)
- [in2code femanager broken access control in invitation component](https://junglewise.ai/threats/cve-2023-45023-in2code-femanager-broken-access-control-in-invitation-component)
- [Femanager extension for TYPO3 allows Insecure Direct Object Reference](https://junglewise.ai/threats/cve-2025-7900-femanager-extension-for-typo3-allows-insecure-direct-object)
- [The femanager TYPO3 extension allows Insecure Direct Object Reference](https://junglewise.ai/threats/cve-2025-48202-the-femanager-typo3-extension-allows-insecure-direct-object)
- [Broken Access Control in 3rd party TYPO3 extension "femanager"](https://junglewise.ai/threats/cve-2023-25014-broken-access-control-in-3rd-party-typo3-extension-femanager)