CVE-2026-42686— WordPress EventPrime plugin <= 4.3.2.1 - Cross Site Scripting (XSS) vulnerability
Possible ATT&CK Techniques 1AI
T1059 · Command and Scripting InterpreterAffected Version Matrix 1
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| EventPrime | EventPrime | n/a≤ 4.3.2.1 | affected |
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I. Basic Information for CVE-2026-42686
Vulnerability Information
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Vulnerability Title
WordPress EventPrime plugin <= 4.3.2.1 - Cross Site Scripting (XSS) vulnerability
Source: NVD (National Vulnerability Database)
Vulnerability Description
Subscriber Cross Site Scripting (XSS) in EventPrime <= 4.3.2.1 versions.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:H
Source: NVD (National Vulnerability Database)
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: NVD (National Vulnerability Database)
Vulnerability Title
EventPrime 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
EventPrime EventPrime是EventPrime的插件程序。 EventPrime 4.3.2.1及之前版本存在跨站脚本漏洞，该漏洞源于容易受到跨站脚本攻击。
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 |
|---|---|---|---|---|
| EventPrime | EventPrime | n/a ~ 4.3.2.1 | - |
II. Public POCs for CVE-2026-42686
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POCPremium
No public POC found.
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Vendor Advisories for CVE-2026-42686 (1)
Same Patch Batch · EventPrime · 2026-06-15 · 3 CVEs total
| CVE-2026-42687 | 8.1 HIGH | WordPress EventPrime plugin <= 4.3.2.1 - PHP Object Injection vulnerability |
| CVE-2026-39518 | 7.1 HIGH | WordPress EventPrime plugin <= 4.3.0.0 - Insecure Direct Object References (IDOR) vulnerab |
IV. Related Vulnerabilities
Same product: EventPrime
- CVE-2026-56053
WordPress EventPrime plugin <= 4.3.4.1 - PHP Object Injectio - CVE-2026-42687
WordPress EventPrime plugin <= 4.3.2.1 - PHP Object Injectio - CVE-2026-39518
WordPress EventPrime plugin <= 4.3.0.0 - Insecure Direct Obj - CVE-2026-42669
WordPress EventPrime plugin <= 4.3.2.0 - Broken Access Contr - CVE-2026-24378
WordPress EventPrime plugin <= 4.2.8.0 - PHP Object Injectio
Same vendor: EventPrime
- CVE-2026-56053
WordPress EventPrime plugin <= 4.3.4.1 - PHP Object Injectio - CVE-2026-42687
WordPress EventPrime plugin <= 4.3.2.1 - PHP Object Injectio - CVE-2026-39518
WordPress EventPrime plugin <= 4.3.0.0 - Insecure Direct Obj - CVE-2026-42669
WordPress EventPrime plugin <= 4.3.2.0 - Broken Access Contr - CVE-2023-45637
WordPress EventPrime Plugin <= 3.1.5 is vulnerable to Cross
Same weakness: CWE-79
- CVE-2026-57656
WordPress Hester Core plugin <= 1.1.8 - Cross Site Scripting - CVE-2026-57651
WordPress Ghost Kit plugin <= 3.6.0 - Cross Site Scripting ( - CVE-2026-57650
WordPress Magazine Blocks plugin <= 1.8.3 - Cross Site Scrip - CVE-2026-57638
WordPress Fluent Booking plugin <= 2.1.0 - Cross Site Script - CVE-2026-57629
WordPress StatCounter plugin <= 2.1.1 - Cross Site Scripting
V. Comments for CVE-2026-42686
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