Home/CVE/A stored cross-site scripting (XSS) vulnerability in the Personal Canned Messages of Live Helper Chat v4.60 allows attac
CVE

CVE-2025-51400

A stored cross-site scripting (XSS) vulnerability in the Personal Canned Messages of Live Helper Chat v4.60 allows attac

A stored cross-site scripting (XSS) vulnerability in the Personal Canned Messages of Live Helper Chat v4.60 allows attackers to execute arbitrary web scripts or HTML via injecting a crafted payload.

MEDIUM · CVSS 5.4 EPSS 0.00568
Schedule remediation
  • Public exploit or PoC is available
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
▤

Affected Products & Versions

1
livehelperchat live helper chat<= 4.61
⚠

Public Exploits & PoCs

3
webappsLiveHelperChat 4.61 - Stored Cross Site Scripting (XSS) via Personal Canned Messages2025-07-22
pocgithub.com · CVE-2025-51400github.com
pocwww.dropbox.com · 2025-05-08-20-41-52.mp4?rlkey=cz03rl97pskdk7d6bvb9dbvs7&s...www.dropbox.com
▣

Scoring & Timeline

5.4
MEDIUM · CVSS v3.1 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD21 Jul 2025 · 07:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
SSVC triage · cisa-vulnrichment
Exploitation
poc
Automatable
no
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
🔗

References & Sources

1
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://github.com/LiveHelperChat/livehelperchat/pull/2228/commits/2056503ad96e04467ec9af8d827109b9b9b46223Patch
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