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CVE-2026-54870— WordPress Weaver Xtreme theme Support plugin <= 7.0.1 - Cross Site Scripting (XSS) vulnerability

Quick assessment

Affected
wpweaver Weaver Xtreme Theme Support
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.

在 wpweaver Weaver Xtreme 主题支持插件（weaverx-theme-support）中存在不正确的输入中和（跨站脚本，XSS）漏洞，可导致存储型跨站脚本攻击（Stored XSS）。该问题影响 Weaver Xtreme Theme Support 插件：从最初版本至 7.0.1 版本。

CVSS 6.5 · Medium EPSS 0.13% · P2

Possible ATT&CK Techniques 1 AI

T1059 · Command and Scripting Interpreter

Affected Version Matrix 1

VendorProduct Version RangeStatus
wpweaver Weaver Xtreme Theme Support ≤ 7.0.1 affected
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I. Basic Information for CVE-2026-54870

Vulnerability Information
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Vulnerability Title
WordPress Weaver Xtreme theme Support plugin <= 7.0.1 - Cross Site Scripting (XSS) vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in wpweaver Weaver Xtreme Theme Support weaverx-theme-support allows Stored XSS.This issue affects Weaver Xtreme Theme Support: from n/a through 7.0.1.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/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
wpweaver Weaver Xtreme Theme Support 0 ~ 7.0.1 -

II. Public POCs for CVE-2026-54870

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III. Intelligence Information for CVE-2026-54870

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Other References for CVE-2026-54870 (1)

IV. Related Vulnerabilities

Same product: Weaver Xtreme Theme Support
Same vendor: wpweaver
Same weakness: CWE-79

V. Comments for CVE-2026-54870

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