What’s Vulnerable › Vulnerabilities

CVE-2021-4169: Cross-site Scripting (XSS) - Reflected in livehelperchat/livehelperchat

• Severity: medium (CVSS 6.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.0% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2021-12-26 · updated 2026-06-17
• Weakness: CWE-79

Description

livehelperchat is vulnerable to Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Affected products

• livehelperchat/livehelperchat: through 3.90

References

• https://github.com/livehelperchat/livehelperchat/commit/8f6ddadffcd683c16fbbe622acf374eea1e39c74
• https://huntr.dev/bounties/91bbb411-6502-4dc1-8b59-b31f7d1c1f72
• https://github.com/livehelperchat/livehelperchat/commit/8f6ddadffcd683c16fbbe622acf374eea1e39c74
• https://huntr.dev/bounties/91bbb411-6502-4dc1-8b59-b31f7d1c1f72

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