CVE-2026-66617— WordPress PublishPress Series plugin <= 3.1.3 - Cross Site Scripting (XSS) vulnerability
Quick assessment
Affected
PublishPress PublishPress Series
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.
翻译： PublishPress Series 插件（版本 ≤ 3.1.3）中存在贡献者级别的跨站脚本（XSS）漏洞。
Possible ATT&CK Techniques 2 AI
T1189 · Drive-by Compromise T1059 · Command and Scripting Interpreter
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I. Basic Information for CVE-2026-66617
Vulnerability Information
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Vulnerability Title
WordPress PublishPress Series plugin <= 3.1.3 - Cross Site Scripting (XSS) vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Contributor Cross Site Scripting (XSS) in PublishPress Series <= 3.1.3 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
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| PublishPress | PublishPress Series | n/a ~ 3.1.3 | - |
|
II. Public POCs for CVE-2026-66617
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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Vendor Pages for CVE-2026-66617 (1)
Same Patch Batch · PublishPress · 2026-09-17 · 3 CVEs total
| CVE-2026-66630 | 7.6 HIGH | WordPress PublishPress Series plugin <= 3.1.3 - SQL Injection vulnerability |
| CVE-2026-74005 | 5.4 MEDIUM | WordPress PublishPress Series plugin <= 3.1.3 - Cross Site Request Forgery (CSRF) vulnerab |
IV. Related Vulnerabilities
Same vendor: PublishPress
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CVE-2026-74005
WordPress PublishPress Series plugin <= 3.1.3 - Cross Site R -
CVE-2026-66630
WordPress PublishPress Series plugin <= 3.1.3 - SQL Injectio -
CVE-2026-85657
Co-Authors, Multiple Authors and Guest Authors in an Author -
CVE-2026-75927
PublishPress Capabilities <= 2.50.0 - Authenticated (Editor+ -
CVE-2026-84771
WordPress PublishPress Permissions plugin <= 4.8.3 - Insecur
Same weakness: CWE-79
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CVE-2026-93296
MISP Overmind: Stored Cross-Site Scripting via Unescaped Obj -
CVE-2026-63459
Vendure: Stored XSS in the Admin Dashboard via unsafe HTML-s -
CVE-2026-92986
SiYuan before 3.8.4 Cross-Site Scripting via Document Title -
CVE-2026-92985
SiYuan before 3.8.4 Cross-Site Scripting via Bookmark Labels -
CVE-2026-92973
ansi2html 1.7.0a0 through 1.9.3 Cross-Site Scripting via OSC
V. Comments for CVE-2026-66617
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