Live Helper Chat before 3.44v allows stored XSS in chat messages with an operator via BBCode.
Source: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-26134
Reference (s):
- https://github.com/LiveHelperChat/livehelperchat/commit/a131b937dd6a87271ed1c0c8b8deb8710cf78f58
- https://github.com/rekter0/exploits/tree/master/CVE-2020-26134
- https://livehelperchat.com/3.44v-security-update-and-few-other-bits-586a.html