CVSS v3.1
6.1
EPSS
46.45%
Published
Sep 21, 2022
Modified
Nov 3, 2025
CISA Known Exploited Vulnerability
Added: 2023-03-30 · Due: 2023-04-20
Apply updates per vendor instructions.
Public PoC / Exploit (9)
All weaponized →Links to public security research (Exploit-DB, Nuclei, Trickest, GitHub) for defensive use only.
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).
CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:NWeaknesses (CWE)
Affected Products (1)
References (5)