CVE-2026-27537— WordPress Popup by Supsystic plugin <= 1.11.2 - Cross Site Scripting (XSS) vulnerability
Possible ATT&CK Techniques 1AI
T1059 · Command and Scripting InterpreterAffected Version Matrix 1
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| supsystic | Popup by Supsystic | n/a≤ 1.11.2 | affected |
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I. Basic Information for CVE-2026-27537
Vulnerability Information
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Vulnerability Title
WordPress Popup by Supsystic plugin <= 1.11.2 - Cross Site Scripting (XSS) vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Unauthenticated Cross Site Scripting (XSS) in Popup by Supsystic <= 1.11.2 versions.
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
Vulnerability Title
WordPress Smart Popup by Supsystic 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
WordPress Smart Popup by Supsystic是WordPress基金会开源的一款创建弹窗的CMS插件。 WordPress Smart Popup by Supsystic 1.11.2及之前版本存在跨站脚本漏洞，该漏洞源于未对用户输入进行有效清理和转义，可能导致未经身份验证的攻击者进行跨站脚本攻击。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| supsystic | Popup by Supsystic | n/a ~ 1.11.2 | - |
II. Public POCs for CVE-2026-27537
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POCPremium
No public POC found.
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Vendor Advisories for CVE-2026-27537 (1)
IV. Related Vulnerabilities
Same product: Popup by Supsystic
- CVE-2023-39997
WordPress Popup by Supsystic plugin <= 1.10.19 - Broken Acce - CVE-2023-51353
WordPress Popup by Supsystic plugin <= 1.10.19 - Broken Acce - CVE-2024-52434
WordPress Popup by Supsystic plugin <= 1.10.29 - Remote Code - CVE-2023-46197
WordPress Popup by Supsystic plugin <= 1.10.19 - Unauthentic - CVE-2024-31421
WordPress Popup by Supsystic plugin <= 1.10.27 - Broken Acce
Same vendor: supsystic
- CVE-2026-24628
WordPress Photo Gallery by Supsystic plugin <= 1.16.3 - Cros - CVE-2020-37246
WordPress Plugin Supsystic Backup 2.3.9 Local File Inclusion - CVE-2020-37245
WordPress Plugin Supsystic Digital Publications 1.6.9 Path T - CVE-2020-37244
WordPress Plugin Supsystic Membership 1.4.7 SQL Injection vi - CVE-2020-37243
WordPress Plugin Supsystic Pricing Table 1.8.7 SQL Injection
Same weakness: CWE-79
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V. Comments for CVE-2026-27537
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