CVE-2026-66637: CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in Alex Featured Video Plus
Contributor Cross Site Scripting (XSS) in Featured Video Plus <= 2.3.3 versions.
AI Analysis
Technical Summary
This vulnerability (CVE-2026-66637) is a CWE-79 Cross-site Scripting (XSS) flaw in the Alex Featured Video Plus plugin, affecting versions up to 2.3.3. It allows contributor-level users to inject malicious scripts due to improper input neutralization during web page generation. The CVSS 3.1 vector indicates network attack vector, low attack complexity, requiring privileges and user interaction, with a scope change and low impact on confidentiality, integrity, and availability.
Potential Impact
Successful exploitation could allow an attacker with contributor privileges to execute arbitrary scripts in the context of the affected web application, potentially leading to information disclosure, modification of content, or disruption of service. The impact is rated medium due to the required privileges and user interaction.
Mitigation Recommendations
No official patch or remediation is currently available. Users should monitor the vendor's advisory for updates. Until a fix is released, restricting contributor privileges and limiting user input where possible may reduce risk.
CVE-2026-66637: CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in Alex Featured Video Plus
Description
Contributor Cross Site Scripting (XSS) in Featured Video Plus <= 2.3.3 versions.
CVSS v3.1
Score 6.5medium
Affected software
Alex
Featured Video Plus
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-66637) is a CWE-79 Cross-site Scripting (XSS) flaw in the Alex Featured Video Plus plugin, affecting versions up to 2.3.3. It allows contributor-level users to inject malicious scripts due to improper input neutralization during web page generation. The CVSS 3.1 vector indicates network attack vector, low attack complexity, requiring privileges and user interaction, with a scope change and low impact on confidentiality, integrity, and availability.
Potential Impact
Successful exploitation could allow an attacker with contributor privileges to execute arbitrary scripts in the context of the affected web application, potentially leading to information disclosure, modification of content, or disruption of service. The impact is rated medium due to the required privileges and user interaction.
Mitigation Recommendations
No official patch or remediation is currently available. Users should monitor the vendor's advisory for updates. Until a fix is released, restricting contributor privileges and limiting user input where possible may reduce risk.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Patchstack
- Date Reserved
- 2026-07-27T14:00:34.306Z
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 6a846a48c6e8be033250a65a
Added to database: 08/18/2026, 14:20:56 UTC
Last enriched: 08/18/2026, 15:20:51 UTC
Last updated: 10/02/2026, 14:46:09 UTC
Views: 30
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