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CVE-2022-39197

6.1, medium Known exploited

Fortra Cobalt Strike Teamserver Cross-Site Scripting (XSS) Vulnerability

NVD (opens in a new tab) CVE.org (opens in a new tab) CISA KEV catalogue (opens in a new tab)
CVSS
6.1, medium medium CVSS v3.1
EPSS, next 30 days
46% higher than 98.8% of scored CVEs
Exploitation
Confirmed in the wild
Published
22 Sept 20224 years ago

Known exploited

CISA added this to the Known Exploited Vulnerabilities Catalog on 30 Mar 2023. US federal agencies had to remediate by 20 Apr 2023, a deadline that has passed.

Required action. Apply updates per vendor instructions.

Description

An XSS (Cross Site Scripting) vulnerability was found in HelpSystems Cobalt Strike through 4.7 that allowed a remote attacker to execute HTML on the Cobalt Strike teamserver. To exploit the vulnerability, one must first inspect a Cobalt Strike payload, and then modify the username field in the payload (or create a new payload with the extracted information and then modify that username field to be malformed).

Details

Vendor
Fortra
Product
Cobalt Strike
Weakness
CWE-79 (opens in a new tab)
Status
Analyzed
Updated
17 Jun 2026
Assigner
cve@mitre.org

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

References 3

Advisories 2

Other references 1

The kind is read from NVD's tags where present and from the shape of the URL otherwise, so treat it as a hint.

Other Fortra CVEs

Every Fortra CVE we hold

Same vendor in what we hold, not a known link between the flaws.

  • CVE-2025-10035 Fortra GoAnywhere MFT Deserialization of Untrusted Data Vulnerability KEV EPSS 100% 9.8, critical
  • CVE-2022-42948 Fortra Cobalt Strike User Interface Remote Code Execution Vulnerability KEV EPSS 3% 9.8, critical
  • CVE-2023-0669 Fortra GoAnywhere MFT Remote Code Execution Vulnerability KEV EPSS 100% 7.2, high

Beyond this page

Is CVE-2022-39197 in your network?

This page tells you how dangerous CVE-2022-39197 is out there. Whether it sits on one of your devices, only a scan of your own network can tell. That is what our systems do, every day, for the companies we protect.

CVE-2022-39197 is in the CISA catalogue of exploited vulnerabilities: attackers are already exploiting it.

  • EXYS7600 OCELOT

    Find it before attackers do

    Ocelot scans your network on a schedule and reports every vulnerability it finds by its CVE identifier, with its CVSS score and how many of your hosts are affected. A finding like CVE-2022-39197 comes with the devices to patch.

    Learn more about EXYS7600 OCELOT

  • EXYS7950 KONDRA

    Detect it if it's exploited

    Until the patch is applied, Kondra monitors your network, events and endpoints in real time. It keeps an inventory of the software installed on every endpoint, and its anomaly detection rules flag what an attacker does once inside.

    Learn more about EXYS7950 KONDRA
Check your exposure

Assembled from the NVD 2.0 API, the CISA Known Exploited Vulnerabilities Catalog and FIRST EPSS. Scores are as of our last collection on 17 Oct 2026, not the live upstream state.