CVE-2021-4179
Cross-site Scripting (XSS) - Stored in livehelperchat/livehelperchat
livehelperchat is vulnerable to Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
Cross-site Scripting (XSS) - Stored in livehelperchat/livehelperchat
livehelperchat is vulnerable to Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
- Record
CVE-2021-4179- CVSS 3.0
- 6.6 Medium
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:H - Weakness
- CWE-79
- Updated
- 2026-11-02
EUVDEUVD-2021-34040
livehelperchat is vulnerable to Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
- Record
EUVD-2021-34040- CVSS 3.0
- 6.6 Medium
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:H - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-5x52-v7fr-j269 No score
livehelperchat is vulnerable to Improper Neutralization of Input During Web Page Generation (...
livehelperchat is vulnerable to Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
- Record
GHSA-5x52-v7fr-j269- Weakness
- CWE-79
- Updated
- 2026-11-02
NVD
livehelperchat is vulnerable to Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
- Record
CVE-2021-4179- CVSS 3.1
- 5.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N - CVSS 3.0
- 6.6 Medium
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:H - CVSS 2.0
- 3.5 Low
AV:N/AC:M/Au:S/C:N/I:P/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
OSV
livehelperchat is vulnerable to Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
- Record
CVE-2021-4179- CVSS 3.1
- 5.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N - Updated
- 2026-11-02
OSVBIT-livehelperchat-2021-4179 No score
livehelperchat is vulnerable to Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
- Record
BIT-livehelperchat-2021-4179- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
livehelperchatBitnami |
before 3.91.0 | 3.91.0 |
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-2021-4179 is a medium vulnerability (CVSS 6.6) in Livehelperchat Livehelperchat/livehelperchat, published December 28, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.47%, the 41st percentile. Fixed in livehelperchat 3.91.0.