Home/CVE/Live Helper Chat before 3.44v allows stored XSS in chat messages with an operator via BBCode.
CVE

CVE-2020-26134

Live Helper Chat before 3.44v allows stored XSS in chat messages with an operator via BBCode.

Live Helper Chat before 3.44v allows stored XSS in chat messages with an operator via BBCode.

MEDIUM · CVSS 6.1 EPSS 0.00396
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
▤

Affected Products & Versions

1
livehelperchat live helper chat< 3.44
▣

Scoring & Timeline

6.1
MEDIUM · CVSS v3.1 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD02 Oct 2020 · 09:15 AM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
🔗

References & Sources

3
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://github.com/LiveHelperChat/livehelperchat/commit/a131b937dd6a87271ed1c0c8b8deb8710cf78f58PatchThird Party Advisory
https://github.com/rekter0/exploits/tree/master/CVE-2020-26134Third Party Advisory
https://livehelperchat.com/3.44v-security-update-and-few-other-bits-586a.htmlVendor Advisory
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