Unauthenticated Cross Site Scripting (XSS) in MultiParcels Shipping For WooCommerce <= 1.30.36 versions. (CVE-2026-66655)
An unauthenticated Cross Site Scripting (XSS) vulnerability exists in MultiParcels Shipping For WooCommerce versions up to and including 1.30.36. This vulnerability allows an attacker to inject malicious scripts without authentication, potentially impacting confidentiality, integrity, and availability of affected systems.
AI Analysis
Technical Summary
CVE-2026-66655 describes an unauthenticated Cross Site Scripting (XSS) vulnerability in MultiParcels Shipping For WooCommerce affecting all versions up to 1.30.36. The vulnerability allows remote attackers to execute arbitrary scripts in the context of the affected application without requiring authentication. The CVSS 3.1 score is 7.1, indicating a high severity with network attack vector, low attack complexity, no privileges required, and user interaction required. The impact includes partial loss of confidentiality, integrity, and availability.
Potential Impact
Successful exploitation could allow attackers to execute arbitrary scripts in users' browsers, potentially leading to theft of sensitive information, session hijacking, or other malicious actions affecting confidentiality, integrity, and availability. The vulnerability is exploitable remotely without authentication but requires user interaction.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. No official fix or patch links are currently provided. Until a patch is available, consider applying temporary mitigations such as input validation or disabling the vulnerable plugin if feasible.
Unauthenticated Cross Site Scripting (XSS) in MultiParcels Shipping For WooCommerce <= 1.30.36 versions. (CVE-2026-66655)
Description
An unauthenticated Cross Site Scripting (XSS) vulnerability exists in MultiParcels Shipping For WooCommerce versions up to and including 1.30.36. This vulnerability allows an attacker to inject malicious scripts without authentication, potentially impacting confidentiality, integrity, and availability of affected systems.
CVSS v3.1
Score 7.1high
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-66655 describes an unauthenticated Cross Site Scripting (XSS) vulnerability in MultiParcels Shipping For WooCommerce affecting all versions up to 1.30.36. The vulnerability allows remote attackers to execute arbitrary scripts in the context of the affected application without requiring authentication. The CVSS 3.1 score is 7.1, indicating a high severity with network attack vector, low attack complexity, no privileges required, and user interaction required. The impact includes partial loss of confidentiality, integrity, and availability.
Potential Impact
Successful exploitation could allow attackers to execute arbitrary scripts in users' browsers, potentially leading to theft of sensitive information, session hijacking, or other malicious actions affecting confidentiality, integrity, and availability. The vulnerability is exploitable remotely without authentication but requires user interaction.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. No official fix or patch links are currently provided. Until a patch is available, consider applying temporary mitigations such as input validation or disabling the vulnerable plugin if feasible.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- GHSA-wfgq-xc9g-5v4q
- Osv Schema Version
- 1.4.0
- Aliases
- ["CVE-2026-66655"]
- Database Specific Severity
- HIGH
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 6a7e0356bf8831d5398f7ba2
Added to database: 08/13/2026, 17:48:06 UTC
Last enriched: 08/13/2026, 17:55:18 UTC
Last updated: 09/26/2026, 01:47:43 UTC
Views: 25
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