Every CVE Search/ Get API key

CVE-2020-26134

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

6.1 MediumFix available

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

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
None
User interaction
Required

What an attacker can affect

Confidentiality
Low
Integrity
Low
Availability
None

Exploit likelihood

1.08%Up 0.2 points since Apr 14, 2021
90%50%10%1%

What each source reports

NVD Score used 6.1

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

Record
CVE-2020-26134
CVSS 3.1
6.1 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
CVSS 2.0
4.3 MediumAV:N/AC:M/Au:N/C:N/I:P/A:N
Weakness
CWE-79
Updated
2026-11-02
CVE List No score

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

Record
CVE-2020-26134
Updated
2026-11-02
EUVDEUVD-2020-18764 No score

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

Record
EUVD-2020-18764
Updated
2026-11-03
GitHub AdvisoriesGHSA-vfh6-97gq-4gwj No score

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.

Record
GHSA-vfh6-97gq-4gwj
Updated
2026-11-02
OSV 6.1

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

Record
CVE-2020-26134
CVSS 3.1
6.1 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Updated
2026-11-02
OSVBIT-livehelperchat-2020-26134 No score

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

Record
BIT-livehelperchat-2020-26134
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
livehelperchat
Bitnami
before 3.44.0
3.44.0

History

History
RecordedChangedSources
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2020-26134 is a medium vulnerability (CVSS 6.1) in Livehelperchat Live Helper Chat, published October 2, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.08%, the 65th percentile. Fixed in livehelperchat 3.44.0.

References

MoveEnter Open