# CVE-2022-39197: Fortra Cobalt Strike Teamserver Cross-Site Scripting (XSS) Vulnerability

Source: https://junglewise.ai/threats/cve-2022-39197-fortra-cobalt-strike-teamserver-cross-site-scripting-xss  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2023-03-30. Updated: 2026-05-10  
License: CC BY 4.0 with a link back

CVE-2022-39197 · Severity: critical · CVSS 6.1 · Exploited in the wild · Published 2023-03-30

A cross-site scripting (XSS) vulnerability in Fortra Cobalt Strike Teamserver allows a remote attacker to execute arbitrary HTML or code by supplying a malformed username field within a Beacon configuration. Exploitation requires the attacker to inspect a Cobalt Strike payload and modify the username field to include malicious content.

Vendors: [Fortra](https://junglewise.ai/threats/vendors/fortra).

## Quick answers

**Is CVE-2022-39197 exploited in the wild?** Yes. CVE-2022-39197 is known to be exploited in the wild, first recorded on 30 March 2023. Treat it as urgent.

**How severe is CVE-2022-39197?** Critical severity, with a CVSS score of 6.1, published 30 March 2023.

**Which products and versions are affected?** Fortra (HelpSystems) Cobalt Strike up to (including) 4.7.

**Is there a fix for CVE-2022-39197?** A patch was published on 2022-09-20: Vendor released out-of-band update 4.7.1 to address the issue Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**How is CVE-2022-39197 attacked?** It is attacked over the network, in a network appliance.

**Am I affected by CVE-2022-39197?** Check whether you run Fortra Cobalt Strike. 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.

## Affected products

- Fortra (HelpSystems) Cobalt Strike up to (including) 4.7

## Timeline

- 2022-09-21: disclosed: NVD Published Date
- 2023-03-30: kev added: Added to CISA Known Exploited Vulnerabilities Catalog
- 2022-09-20: patched: Vendor released out-of-band update 4.7.1 to address the issue
- 2023-03-30: exploited: Reported as exploited in the wild per CISA KEV entry

## Related threats

- [Fortra Cobalt Strike User Interface Remote Code Execution Vulnerability](https://junglewise.ai/threats/cve-2022-42948-fortra-cobalt-strike-user-interface-remote-code-execution)