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CVE-2025-51397

VendorlivehelperchatProductlive helper chatDiscoveredJul 21, 2025UpdatedAug 7, 2025

A stored cross-site scripting (XSS) vulnerability in the Facebook Chat module of Live Helper Chat v4.60 allows attackers to execute arbitrary web scripts or HTML via injecting a crafted payload into the Surname parameter under the Recipient' Lists.

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CVSS v3.1
5.4 MEDIUM
EPSS
1.00%
probability of exploitation in 30 days
CISA KEV
Not listed
no confirmed exploitation reported
News coverage
0
sources referencing this CVE
Related IOCs
0
seen in the same coverage
EPSS Trend
Aug 16, 2026 → Oct 23, 2026
▲ 0.12pp
0.87% → 1.00% over 5 tracked changes
CVSS v3.1 Detail
Attack VectorNETWORK
Attack ComplexityLOW
Privileges RequiredLOW
User InteractionREQUIRED
ScopeCHANGED
ConfidentialityLOW
IntegrityLOW
AvailabilityNONE
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Connections
2 relationships
Timeline
disclosure → media coverage
Jul 21, 2025
Disclosure — published as a CVE record. · last revised by NVD Aug 7, 2025
Public PoC (1)
github.com/Thewhiteevil/CVE-2025-51397
Unverified third-party code — review before executing.