CVE-2026-111837— WordPress Contest Gallery plugin <= 34.0.1 - Cross Site Scripting (XSS) vulnerability
Quick assessment
Affected
Wasiliy Strecker Contest Gallery
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 Wasiliy Strecker 开发的 Contest Gallery 插件中，存在“网页生成过程中输入未正确中和”的漏洞（即跨站脚本攻击，XSS），可导致存储型 XSS 攻击。该问题影响 Contest Gallery 插件的从未知版本起至 34.0.1 版本的所有版本。
Possible ATT&CK Techniques 1 AI
T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2026-111837
Vulnerability Information
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Vulnerability Title
WordPress Contest Gallery plugin <= 34.0.1 - 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 Wasiliy Strecker Contest Gallery contest-gallery allows Stored XSS.This issue affects Contest Gallery: from n/a through 34.0.1.
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 |
|---|---|---|---|---|
| Wasiliy Strecker | Contest Gallery | 0 ~ 34.0.1 | - |
|
II. Public POCs for CVE-2026-111837
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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Other References for CVE-2026-111837 (1)
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V. Comments for CVE-2026-111837
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