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Vulnerability Details :

CVE-2026-0483

Summary
Assigner-INCIBE
Assigner Org ID-0cbda920-cd7f-484a-8e76-bf7f4b7f4516
Published At-28 Jan, 2026 | 11:43
Updated At-28 Jan, 2026 | 15:47
Rejected At-
Credits

Stored Cross-Site Scripting (XSS) vulnerability in LiveHelperChat

Stored Cross-Site Scripting (XSS) vulnerability in the PDF file upload functionality of Live Helper Chat, versions prior to 4.72. An attacker can upload a malicious PDF file containing an XSS payload, which will be executed in the user's context when they download and open the file via the link generated by the application. The vulnerability allows arbitrary JavaScript code to be executed in the user's local context.

Vendors
-
Not available
Products
-
Metrics (CVSS)
VersionBase scoreBase severityVector
Weaknesses
Attack Patterns
Solution/Workaround
References
HyperlinkResource Type
EPSS History
Score
Latest Score
-
N/A
No data available for selected date range
Percentile
Latest Percentile
-
N/A
No data available for selected date range
Stakeholder-Specific Vulnerability Categorization (SSVC)
▼Common Vulnerabilities and Exposures (CVE)
cve.org
Assigner:INCIBE
Assigner Org ID:0cbda920-cd7f-484a-8e76-bf7f4b7f4516
Published At:28 Jan, 2026 | 11:43
Updated At:28 Jan, 2026 | 15:47
Rejected At:
▼CVE Numbering Authority (CNA)
Stored Cross-Site Scripting (XSS) vulnerability in LiveHelperChat

Stored Cross-Site Scripting (XSS) vulnerability in the PDF file upload functionality of Live Helper Chat, versions prior to 4.72. An attacker can upload a malicious PDF file containing an XSS payload, which will be executed in the user's context when they download and open the file via the link generated by the application. The vulnerability allows arbitrary JavaScript code to be executed in the user's local context.

Affected Products
Vendor
LiveHelperChat
Product
LiveHelperChat
Default Status
unaffected
Versions
Affected
  • From 0 before 4.72 (custom)
Problem Types
TypeCWE IDDescription
CWECWE-79CWE-79 Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting')
Type: CWE
CWE ID: CWE-79
Description: CWE-79 Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting')
Metrics
VersionBase scoreBase severityVector
4.06.9MEDIUM
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
Version: 4.0
Base score: 6.9
Base severity: MEDIUM
Vector:
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions

The vulnerability has been fixed in the 4.72 version.

Configurations

Workarounds

Exploits

Credits

finder
Miguel Jimenez Camara
Timeline
EventDate
Replaced By

Rejected Reason

References
HyperlinkResource
https://www.incibe.es/en/incibe-cert/notices/aviso/stored-cross-site-scripting-xss-vulnerability-livehelperchat
N/A
Hyperlink: https://www.incibe.es/en/incibe-cert/notices/aviso/stored-cross-site-scripting-xss-vulnerability-livehelperchat
Resource: N/A
▼Authorized Data Publishers (ADP)
CISA ADP Vulnrichment
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions

Configurations

Workarounds

Exploits

Credits

Timeline
EventDate
Replaced By

Rejected Reason

References
HyperlinkResource
Information is not available yet
▼National Vulnerability Database (NVD)
nvd.nist.gov
Source:cve-coordination@incibe.es
Published At:28 Jan, 2026 | 12:15
Updated At:29 Jan, 2026 | 16:31

Stored Cross-Site Scripting (XSS) vulnerability in the PDF file upload functionality of Live Helper Chat, versions prior to 4.72. An attacker can upload a malicious PDF file containing an XSS payload, which will be executed in the user's context when they download and open the file via the link generated by the application. The vulnerability allows arbitrary JavaScript code to be executed in the user's local context.

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
Secondary4.06.9MEDIUM
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Type: Secondary
Version: 4.0
Base score: 6.9
Base severity: MEDIUM
Vector:
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CPE Matches

Weaknesses
CWE IDTypeSource
CWE-79Primarycve-coordination@incibe.es
CWE ID: CWE-79
Type: Primary
Source: cve-coordination@incibe.es
Evaluator Description

Evaluator Impact

Evaluator Solution

Vendor Statements

References
HyperlinkSourceResource
https://www.incibe.es/en/incibe-cert/notices/aviso/stored-cross-site-scripting-xss-vulnerability-livehelperchatcve-coordination@incibe.es
N/A
Hyperlink: https://www.incibe.es/en/incibe-cert/notices/aviso/stored-cross-site-scripting-xss-vulnerability-livehelperchat
Source: cve-coordination@incibe.es
Resource: N/A

Change History

0
Information is not available yet

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Action-Not Available
Vendor-LiveHelperChat
Product-lhc-php-resque Extension
CWE ID-CWE-79
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CWE ID-CWE-94
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CVE-2026-1469
Matching Score-4
Assigner-Spanish National Cybersecurity Institute, S.A. (INCIBE)
ShareView Details
Matching Score-4
Assigner-Spanish National Cybersecurity Institute, S.A. (INCIBE)
CVSS Score-6.9||MEDIUM
EPSS-0.05% / 16.31%
||
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Published-29 Jan, 2026 | 11:30
Updated-29 Jan, 2026 | 16:31
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
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Vendor-RLE NOVA
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CWE ID-CWE-79
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Details not found