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CVE-2026-42634— WordPress Video Background Block – Use video as background in the section. plugin <= 2.0.3 - Cross Site Scripting (XSS) vulnerability

Quick assessment

Affected
bPlugins Video Background Block – Use video as background in the section.
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

未认证的跨站脚本（XSS）漏洞存在于视频背景模块中——该模块允许在区块中使用视频作为背景。受影响的版本为 2.0.3 及更早版本。

CVSS 7.1 · High EPSS 0.25% · P15

Possible ATT&CK Techniques 1 AI

T1059 · Command and Scripting Interpreter

Affected Version Matrix 1

VendorProduct Version RangeStatus
bPlugins Video Background Block – Use video as background in the section. n/a≤ 2.0.3 affected
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I. Basic Information for CVE-2026-42634

Vulnerability Information
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Vulnerability Title
WordPress Video Background Block – Use video as background in the section. plugin <= 2.0.3 - Cross Site Scripting (XSS) vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Unauthenticated Cross Site Scripting (XSS) in Video Background Block – Use video as background in the section. <= 2.0.3 versions.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
bPlugins Video Background Block – Use video as background in the section. n/a ~ 2.0.3 -

II. Public POCs for CVE-2026-42634

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III. Intelligence Information for CVE-2026-42634

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Patches & Fixes for CVE-2026-42634 (1)

IV. Related Vulnerabilities

Same vendor: bPlugins
Same weakness: CWE-79

V. Comments for CVE-2026-42634

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