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CVE-2025-51403

MEDIUMCVSS 6.5/10EPSS 1.53%

Last modified

CVE-2025-51403 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. A stored cross-site scripting (XSS) vulnerability in the department assignment editing module of of Live Helper Chat v4.60 allows attackers to execute arbitrary web scripts or HTML via injecting a crafted payload into the Alias Nick parameter.. EPSS estimates a 1.53% chance of exploitation in the next 30 days.

Description

A stored cross-site scripting (XSS) vulnerability in the department assignment editing module of of Live Helper Chat v4.60 allows attackers to execute arbitrary web scripts or HTML via injecting a crafted payload into the Alias Nick parameter.

Metrics

CVSS 3.1
6.5/10

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

EPSS Probability
1.53%

71.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
LivehelperchatLive Helper Chat<= 4.61

References

Timeline

Published
Last Modified
Status
Analyzed

Frequently Asked Questions

What is CVE-2025-51403?
A stored cross-site scripting (XSS) vulnerability in the department assignment editing module of of Live Helper Chat v4.60 allows attackers to execute arbitrary web scripts or HTML via injecting a crafted payload into the Alias Nick parameter.
How severe is CVE-2025-51403?
CVE-2025-51403 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 1.53% probability of exploitation in the next 30 days.
How do I fix CVE-2025-51403?
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.

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Source: NVD / NIST