Live Helper Chat before 3.44v allows reflected XSS via the setsettingajax PATH_INFO.
https://www.arista.com/en/support/advisories-notices/security-advisories/12602-security-advisory-63
https://github.com/rekter0/exploits/tree/master/CVE-2020-26134
https://github.com/LiveHelperChat/livehelperchat/commit/a131b937dd6a87271ed1c0c8b8deb8710cf78f58
https://livehelperchat.com/3.44v-security-update-and-few-other-bits-586a.html
Source: Mitre, NVD
Published: 2020-10-02
Updated: 2026-06-17
Base Score: 4.3
Vector: CVSS2#AV:N/AC:M/Au:N/C:N/I:P/A:N
Severity: Medium
Base Score: 6.1
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
EPSS: 0.00441
