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CVE-2026-16291— ProfileGrid < 5.9.9.8 - Subscriber+ Arbitrary Notification Deletion via IDOR

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。 metagauss profilegrid 5.9.9.8之前版本存在授权问题漏洞，该漏洞源于删除通知前未验证通知是否属于请求用户，可能导致任何已认证用户通过枚举通知标识符删除其他用户的通知。

AI Predicted 6.5 Difficulty: Easy EPSS 0.25% · P17

Possible ATT&CK Techniques 1 AI

T1098.004 · SSH Authorized Keys

Affected Version Matrix 1

VendorProduct Version RangeStatus
Unknown ProfileGrid < 5.9.9.8 affected
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I. Basic Information for CVE-2026-16291

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
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Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
ProfileGrid < 5.9.9.8 - Subscriber+ Arbitrary Notification Deletion via IDOR
Source: CVE Program / CVE List V5
Vulnerability Description
The ProfileGrid WordPress plugin before 5.9.9.8 does not verify that a notification belongs to the requesting user before deleting it, allowing any authenticated user such as a Subscriber to delete other users' notifications by enumerating notification identifiers.
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
metagauss 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。 metagauss profilegrid 5.9.9.8之前版本存在授权问题漏洞，该漏洞源于删除通知前未验证通知是否属于请求用户，可能导致任何已认证用户通过枚举通知标识符删除其他用户的通知。
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 ~ 5.9.9.8 -

II. Public POCs for CVE-2026-16291

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2026-16291

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Vendor Advisories for CVE-2026-16291 (1)

Same Patch Batch · Unknown · 2026-08-02 · 27 CVEs total

CVE-2026-14817 Element Pack Elementor Addons < 8.7.13 - Contributor+ DOM-Based Stored XSS via uikit Data
CVE-2026-14864 JetEngine < 3.8.12 - Contributor+ Stored XSS via jet_engine Shortcode
CVE-2026-14920 AcyMailing < 10.11.1 - Unauthenticated SQL Injection via subscription[] Parameter
CVE-2026-14841 King Addons for Elementor < 51.1.76 - Reflected XSS via Posts Grid Widget
CVE-2026-14938 FluentBoards < 1.95.3 - Subscriber+ Cross-Board Task Disclosure via IDOR
CVE-2026-15151 Five Star Restaurant Reservations < 2.7.23 - Booking Manager+ Missing Authorization via rt
CVE-2026-15206 SMS Alert Order Notifications – WooCommerce < 3.9.8 - Unauthenticated Account Takeover via
CVE-2026-16256 Pouco Import Users <= 1.0.0 - Unauthenticated Privilege Escalation
CVE-2026-15248 Meta Box < 5.13.1 - Contributor+ Arbitrary Attachment Deletion via IDOR
CVE-2026-15939 Simple Restrict < 1.2.9 - Contributor+ Restricted Content Disclosure via REST API
CVE-2026-15241 ChatBot for eCommerce – WoowBot < 4.8.4 - Unauthenticated Gemini API Key Abuse via qcld_ge
CVE-2026-15385 RT Mega Menu < 1.5.2 - Subscriber+ Stored XSS via Menu Item CSS
CVE-2026-12586 Lenxel WP <= 1.0.31 - Unauthenticated Account Takeover via Arbitrary Password Reset
CVE-2026-15236 Gallery for Google Photos < 1.2.1 - Unauthenticated Google OAuth Token Disclosure
CVE-2026-11872 Clever Mega Menu for Visual Composer <= 1.0.1 - Subscriber+ Menu Item Meta Update via save
CVE-2026-16042 LWS Optimize < 3.4 - Subscriber+ Cache Deletion
CVE-2026-16285 WooCommerce Product Attachment < 2.3.3 - Unauthenticated Arbitrary Media Download
CVE-2026-16261 Huge IT Login <= 1.0.4 - Unauthenticated Account Takeover
CVE-2026-16273 Narrative Publisher <= 1.0.7 - Contributor+ Stored XSS via narrative_post_script Post Meta
CVE-2026-16292 Frontend File Manager Plugin <= 23.6 - File Metadata Update via CSRF

Showing top 20 of 27 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: ProfileGrid
Same vendor: Unknown