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.
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
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 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - CVSS 2.0
- 4.3 Medium
AV: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 Medium
CVSS: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
| Package | Affected | Fixed |
|---|---|---|
livehelperchatBitnami |
before 3.44.0 | 3.44.0 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE 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.