CVE-2026-42634
Received Received - Intake

Unauthenticated XSS in Video Background Block

Publication date: 2026-10-06

Last updated on: 2026-10-06

Assigner: Patchstack

Description
Unauthenticated Cross Site Scripting (XSS) in Video Background Block – Use video as background in the section. <= 2.0.3 versions.

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Meta Information

Published
2026-10-06
Last Modified
2026-10-06
Generated
2026-10-06
AI Q&A
2026-10-06
EPSS Evaluated
N/A
NVD
CVE-2026-42634
EUVD
EUVD-2026-93056

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
bPlugins Video Background Block – Use video as background in the section. n/a

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-79 The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.

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Executive Summary

CVE-2026-42634 is an Unauthenticated Cross Site Scripting (XSS) vulnerability in the Video Background Block WordPress plugin versions 2.0.3 and below. It allows attackers to inject malicious scripts into websites by exploiting improper input validation.

Detection Guidance

To detect this vulnerability, inspect your WordPress site for the Video Background Block plugin version 2.0.3 or lower. Check plugin files for suspicious JavaScript injections in user-input fields. Use security plugins like Wordfence or Sucuri to scan for XSS patterns. Review server logs for unusual script execution requests.

Impact Analysis

This vulnerability can allow attackers to steal visitor data, hijack user accounts, or perform other malicious actions on websites using the affected plugin. Exploitation requires user interaction like clicking a malicious link.

Mitigation Strategies

Immediately disable or remove the Video Background Block plugin if unused. Apply Patchstack's mitigation rule if available. Update to the latest plugin version if a patch is released. Restrict user roles to minimize privilege escalation risks. Monitor site traffic for malicious activity.

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