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CVE-2026-11570— User Submitted Posts < 20260608 - Unauthenticated Stored XSS via Author Name

Quick assessment

Affected
Unknown User Submitted Posts
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.

plugin-planet user submitted posts是plugin-planet个人开发者开源的一套用户提交内容插件。 Jeff Starr User Submitted Posts 20260608之前版本存在跨站脚本漏洞，该漏洞源于未对提交的值进行转义，导致存储型跨站脚本攻击，可在启用非默认显示选项时由未经验证的用户触发。

AI Predicted 6.1 Difficulty: Easy EPSS 0.22% · P11

Affected Version Matrix 1

VendorProduct Version RangeStatus
Unknown User Submitted Posts < 20260608 affected
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I. Basic Information for CVE-2026-11570

Vulnerability Information
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Vulnerability Title
User Submitted Posts < 20260608 - Unauthenticated Stored XSS via Author Name
Source: CVE Program / CVE List V5
Vulnerability Description
The User Submitted Posts WordPress plugin before 20260608 does not escape a submitted value before outputting it in an admin-configured display template, leading to a Stored Cross-Site Scripting that can be triggered by unauthenticated users when a non-default display option is enabled.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Jeff Starr User Submitted Posts 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
plugin-planet user submitted posts是plugin-planet个人开发者开源的一套用户提交内容插件。 Jeff Starr User Submitted Posts 20260608之前版本存在跨站脚本漏洞，该漏洞源于未对提交的值进行转义，导致存储型跨站脚本攻击，可在启用非默认显示选项时由未经验证的用户触发。
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
Unknown User Submitted Posts 0 ~ 20260608 -

II. Public POCs for CVE-2026-11570

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III. Intelligence Information for CVE-2026-11570

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Vendor Advisories for CVE-2026-11570 (1)

Same Patch Batch · Unknown · 2026-07-01 · 8 CVEs total

CVE-2026-11568 Product Configurator for WooCommerce < 1.7.3 - Unauthenticated Private/Draft Product Data
CVE-2026-11562 WS Form LITE < 1.11.8 - Subscriber+ Arbitrary Settings Update
CVE-2026-11794 Advanced Form Integration < 2.1.1 - Unauthenticated Privilege Escalation via Breakdance Fo
CVE-2026-10750 Royal MCP < 1.4.26 - Subscriber+ Insufficient Authorization in MCP Tools
CVE-2026-11887 Salon Booking System < 10.30.20 - Subscriber+ Booking Approval Bypass
CVE-2026-11880 Fluent Forms < 6.2.1 - Subscriber+ Subscription Cancellation via IDOR
CVE-2026-11883 WebAuthn Provider for Two Factor < 2.5.6 - 2FA Bypass

IV. Related Vulnerabilities

Same product: User Submitted Posts
Same vendor: Unknown

V. Comments for CVE-2026-11570

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