Unauthenticated Cross Site Scripting (XSS) in Welcart e-Commerce <= 2.11.31 versions. (CVE-2026-27539)
An unauthenticated cross-site scripting (XSS) vulnerability exists in Welcart e-Commerce versions up to and including 2.11.31. This vulnerability allows an attacker to inject malicious scripts without authentication, potentially impacting confidentiality, integrity, and availability. The vulnerability is identified as CVE-2026-27539 and has a high severity rating with a CVSS score of 7.1.
AI Analysis
Technical Summary
CVE-2026-27539 is an unauthenticated cross-site scripting (XSS) vulnerability affecting Welcart e-Commerce software versions up to 2.11.31. The vulnerability allows remote attackers to inject malicious scripts that can execute in the context of the victim's browser. The CVSS 3.1 vector indicates network attack vector, low attack complexity, no privileges required, user interaction required, and a scope change with low impact on confidentiality, integrity, and availability.
Potential Impact
Successful exploitation of this vulnerability could allow attackers to execute arbitrary scripts in the context of users' browsers, potentially leading to theft of sensitive information, session hijacking, or other malicious actions affecting confidentiality, integrity, and availability of the affected system.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. No official patch or fix information is provided in the available data. Users should monitor vendor communications for updates and apply patches once available.
Unauthenticated Cross Site Scripting (XSS) in Welcart e-Commerce <= 2.11.31 versions. (CVE-2026-27539)
Description
An unauthenticated cross-site scripting (XSS) vulnerability exists in Welcart e-Commerce versions up to and including 2.11.31. This vulnerability allows an attacker to inject malicious scripts without authentication, potentially impacting confidentiality, integrity, and availability. The vulnerability is identified as CVE-2026-27539 and has a high severity rating with a CVSS score of 7.1.
CVSS v3.1
Score 7.1high
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-27539 is an unauthenticated cross-site scripting (XSS) vulnerability affecting Welcart e-Commerce software versions up to 2.11.31. The vulnerability allows remote attackers to inject malicious scripts that can execute in the context of the victim's browser. The CVSS 3.1 vector indicates network attack vector, low attack complexity, no privileges required, user interaction required, and a scope change with low impact on confidentiality, integrity, and availability.
Potential Impact
Successful exploitation of this vulnerability could allow attackers to execute arbitrary scripts in the context of users' browsers, potentially leading to theft of sensitive information, session hijacking, or other malicious actions affecting confidentiality, integrity, and availability of the affected system.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. No official patch or fix information is provided in the available data. Users should monitor vendor communications for updates and apply patches once available.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- GHSA-845x-v9mv-jq7m
- Osv Schema Version
- 1.4.0
- Aliases
- ["CVE-2026-27539"]
- Database Specific Severity
- HIGH
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 6a7e0364bf8831d5398f8355
Added to database: 08/13/2026, 17:48:20 UTC
Last enriched: 08/13/2026, 17:59:57 UTC
Last updated: 09/26/2026, 01:47:41 UTC
Views: 23
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