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CVE-2026-12689— ProfileGrid < 5.9.9.7 - Subscriber+ Cross-User Private Message Thread Deletion and Tampering via Missing Authorization

Quick assessment

Affected
Unknown ProfileGrid
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.

metagauss profilegrid是metagauss个人开发者开源的一套用户管理插件。 WordPress ProfileGrid 5.9.9.7之前版本存在授权问题漏洞，该漏洞源于未对部分私信线程操作进行授权或所有权检查，可能导致经过身份验证的用户（Subscriber级及以上）软删除、篡改元数据或标记其他用户的私信线程为已读。

AI Predicted 6.5 Difficulty: Easy EPSS 0.23% · P13

Possible ATT&CK Techniques 1 AI

T1530 · Data from Cloud Storage

Affected Version Matrix 1

VendorProduct Version RangeStatus
Unknown ProfileGrid < 5.9.9.7 affected
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I. Basic Information for CVE-2026-12689

Vulnerability Information
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Vulnerability Title
ProfileGrid < 5.9.9.7 - Subscriber+ Cross-User Private Message Thread Deletion and Tampering via Missing Authorization
Source: CVE Program / CVE List V5
Vulnerability Description
The ProfileGrid WordPress plugin before 5.9.9.7 does not perform any authorization or ownership check on some of its private-message thread actions, allowing authenticated users with Subscriber-level access and above to soft-delete, tamper with the metadata of, and mark as read other users' private message threads.
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
WordPress ProfileGrid 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
metagauss profilegrid是metagauss个人开发者开源的一套用户管理插件。 WordPress ProfileGrid 5.9.9.7之前版本存在授权问题漏洞，该漏洞源于未对部分私信线程操作进行授权或所有权检查，可能导致经过身份验证的用户（Subscriber级及以上）软删除、篡改元数据或标记其他用户的私信线程为已读。
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 ProfileGrid 0 ~ 5.9.9.7 -

II. Public POCs for CVE-2026-12689

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III. Intelligence Information for CVE-2026-12689

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Vendor Advisories for CVE-2026-12689 (1)

Same Patch Batch · Unknown · 2026-07-24 · 7 CVEs total

CVE-2026-14603 WowOptin < 1.4.38 - Unauthenticated Opt-in Deactivation and Template Row Injection
CVE-2026-12688 ProfileGrid < 5.9.9.7 - Unauthenticated Payment Bypass and Forced Group Membership via Pay
CVE-2026-12690 ProfileGrid < 5.9.9.7 - Subscriber+ Premium License Tampering via Missing Authorization
CVE-2026-12981 CAFEHAUS API <= 1.0.0 - Unauthenticated Arbitrary User Password Reset
CVE-2026-12877 Software Issue Manager < 5.1.0 - Unauthenticated SQL Injection via Search Parameter
CVE-2026-12497 ProfilePress < 4.16.18 - Unauthenticated Privilege Escalation via Registration Role Select

IV. Related Vulnerabilities

Same product: ProfileGrid
Same vendor: Unknown

V. Comments for CVE-2026-12689

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