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CVE-2026-119503— WordPress Welcart e-Commerce plugin <= 2.12.6 - Content Injection vulnerability

Quick assessment

Affected
Welcart Welcart e-Commerce
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.

Welcart 电商插件（usc-e-shop）中存在“网页中未正确中和与脚本相关的 HTML 标签（基础跨站脚本 XSS）”漏洞，可能导致代码注入。该问题影响 Welcart e-Commerce 插件，范围从“不适用”版本至 2.12.6 版本。

CVSS 6.5 · Medium
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I. Basic Information for CVE-2026-119503

Vulnerability Information
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Vulnerability Title
WordPress Welcart e-Commerce plugin <= 2.12.6 - Content Injection vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS) vulnerability in Welcart Welcart e-Commerce usc-e-shop allows Code Injection.This issue affects Welcart e-Commerce: from n/a through 2.12.6.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
Web页面中脚本相关HTML标签转义处理不恰当(基本跨站脚本)
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Welcart Welcart e-Commerce 0 ~ 2.12.6 -

II. Public POCs for CVE-2026-119503

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III. Intelligence Information for CVE-2026-119503

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Other References for CVE-2026-119503 (1)

IV. Related Vulnerabilities

Same product: Welcart e-Commerce
Same vendor: Welcart
Same weakness: CWE-80