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

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Summary

CVECVE-2022-39197
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2022-09-22 01:15:00 UTC
Updated2022-09-22 19:57:00 UTC
DescriptionAn 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).

Risk And Classification

EPSS: 0.464460000 probability, percentile 0.986940000 (date 2026-07-22)

CISA KEV: Listed on 2023-03-30; due 2023-04-20; ransomware use Unknown

Problem Types: CWE-79

CISA Known Exploited Vulnerability

VendorFortra
ProductCobalt Strike
NameFortra Cobalt Strike Teamserver Cross-Site Scripting (XSS) Vulnerability
Required ActionApply updates per vendor instructions.
Noteshttps://www.cobaltstrike.com/blog/out-of-band-update-cobalt-strike-4-7-1/; https://nvd.nist.gov/vuln/detail/CVE-2022-39197

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Helpsystems Cobalt Strike All All All All

References

ReferenceSourceLinkTags
Out Of Band Update: Cobalt Strike 4.7.1 | Cobalt Strike MISC www.cobaltstrike.com
Releases Archives - Cobalt Strike Research and Development MISC www.cobaltstrike.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis
CISA Known Exploited Vulnerabilities catalog CISA www.cisa.gov kev

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