Unauthenticated Cross Site Scripting (XSS) in WP Data Access <= 5.5.79 versions. (CVE-2026-66663)
CVE-2026-66663 is an unauthenticated Cross Site Scripting (XSS) vulnerability affecting WP Data Access versions up to and including 5.5.79. This vulnerability allows an attacker to inject malicious scripts without authentication, potentially impacting confidentiality, integrity, and availability. The vulnerability has a CVSS 3.1 base score of 7.1, indicating high severity.
AI Analysis
Technical Summary
This vulnerability is an unauthenticated Cross Site Scripting (XSS) flaw in WP Data Access software versions up to 5.5.79. It allows attackers to execute arbitrary scripts in the context of the affected application without requiring authentication. The CVSS vector indicates the attack can be performed remotely with low attack complexity and no privileges required, but requires user interaction. The impact includes partial confidentiality, integrity, and availability loss.
Potential Impact
Successful exploitation could allow an attacker to execute arbitrary scripts in the victim's browser, potentially leading to data theft, session hijacking, or other malicious actions affecting confidentiality, integrity, and availability of the application or user data.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. No official fix or patch links are provided in the available data. Users should monitor vendor communications for updates and apply patches once available.
Unauthenticated Cross Site Scripting (XSS) in WP Data Access <= 5.5.79 versions. (CVE-2026-66663)
Description
CVE-2026-66663 is an unauthenticated Cross Site Scripting (XSS) vulnerability affecting WP Data Access versions up to and including 5.5.79. This vulnerability allows an attacker to inject malicious scripts without authentication, potentially impacting confidentiality, integrity, and availability. The vulnerability has a CVSS 3.1 base score of 7.1, indicating high severity.
CVSS v3.1
Score 7.1high
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability is an unauthenticated Cross Site Scripting (XSS) flaw in WP Data Access software versions up to 5.5.79. It allows attackers to execute arbitrary scripts in the context of the affected application without requiring authentication. The CVSS vector indicates the attack can be performed remotely with low attack complexity and no privileges required, but requires user interaction. The impact includes partial confidentiality, integrity, and availability loss.
Potential Impact
Successful exploitation could allow an attacker to execute arbitrary scripts in the victim's browser, potentially leading to data theft, session hijacking, or other malicious actions affecting confidentiality, integrity, and availability of the application or user data.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. No official fix or patch links are 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-8w42-33f6-xj98
- Osv Schema Version
- 1.4.0
- Aliases
- ["CVE-2026-66663"]
- Ecosystems
- []
- Database Specific Severity
- HIGH
- Cvss Version
- 3.1
Threat ID: 6a74d196bf8831d5392364bc
Added to database: 08/06/2026, 18:25:26 UTC
Last enriched: 08/06/2026, 18:41:07 UTC
Last updated: 08/07/2026, 03:40:59 UTC
Views: 6
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