CVE-2021-4123

Name: CVE-2021-4123
Creator: NVD / NIST
Published: 2021-12-16T10:15:07.883+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.5/10EPSS 0.49%

Last modified Jun 17, 2026

CVE-2021-4123 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. livehelperchat is vulnerable to Cross-Site Request Forgery (CSRF). EPSS estimates a 0.49% chance of exploitation in the next 30 days.

Description

livehelperchat is vulnerable to Cross-Site Request Forgery (CSRF)

Metrics

CVSS 3.1

6.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N

EPSS Probability

0.49%

38.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-352

Affected Software

Vendor	Product	Versions
Livehelperchat	Live Helper Chat	< 2.0

References

https://github.com/livehelperchat/livehelperchat/commit/2a98c69cf8899afb9a76d737527abb1dd96fa106Patch, Third Party Advisory
https://huntr.dev/bounties/52182545-fdd6-4d4f-9fba-25010f7f8cbaExploit, Patch, Third Party Advisory
https://github.com/livehelperchat/livehelperchat/commit/2a98c69cf8899afb9a76d737527abb1dd96fa106Patch, Third Party Advisory
https://huntr.dev/bounties/52182545-fdd6-4d4f-9fba-25010f7f8cbaExploit, Patch, Third Party Advisory

Timeline

Published: Dec 16, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-4123?

livehelperchat is vulnerable to Cross-Site Request Forgery (CSRF)

How severe is CVE-2021-4123?

CVE-2021-4123 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 0.49% probability of exploitation in the next 30 days.

How do I fix CVE-2021-4123?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-4123?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST