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CVE-2026-16546— Wired Impact Volunteer Management < 2.8.2 - Subscriber+ Arbitrary RSVP Removal via wivm_remove_rsvp

Quick assessment

Affected
Unknown Wired Impact Volunteer Management
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.

WordPress Wired Impact Volunteer Management是WordPress基金会开源的一款志愿者管理插件。 WordPress Wired Impact Volunteer Management 2.8.2之前版本存在授权问题漏洞，该漏洞源于其AJAX操作缺少授权检查且未验证被删除的RSVP是否属于请求用户，可能导致低至订阅者角色的用户从任意志愿活动中删除任意用户的RSVP。

AI Predicted 7.5 Difficulty: Easy EPSS 0.25% · P17

Possible ATT&CK Techniques 1 AI

T1068 · Exploitation for Privilege Escalation

Affected Version Matrix 1

VendorProduct Version RangeStatus
Unknown Wired Impact Volunteer Management < 2.8.2 affected
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I. Basic Information for CVE-2026-16546

Vulnerability Information
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Vulnerability Title
Wired Impact Volunteer Management < 2.8.2 - Subscriber+ Arbitrary RSVP Removal via wivm_remove_rsvp
Source: CVE Program / CVE List V5
Vulnerability Description
The Wired Impact Volunteer Management WordPress plugin before 2.8.2 does not have authorisation checks in one of its AJAX actions, and does not verify that the RSVP being removed belongs to the requesting user, allowing users with a role as low as Subscriber to remove arbitrary users' RSVPs from any volunteer opportunity.
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 Wired Impact Volunteer Management 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
WordPress Wired Impact Volunteer Management是WordPress基金会开源的一款志愿者管理插件。 WordPress Wired Impact Volunteer Management 2.8.2之前版本存在授权问题漏洞，该漏洞源于其AJAX操作缺少授权检查且未验证被删除的RSVP是否属于请求用户，可能导致低至订阅者角色的用户从任意志愿活动中删除任意用户的RSVP。
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 Wired Impact Volunteer Management 0 ~ 2.8.2 -

II. Public POCs for CVE-2026-16546

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III. Intelligence Information for CVE-2026-16546

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Vendor Advisories for CVE-2026-16546 (1)

Same Patch Batch · Unknown · 2026-08-04 · 24 CVEs total

CVE-2026-16035 miniOrange 2FA < 6.2.7 - Subscriber+ Arbitrary-Recipient OTP Send
CVE-2026-16618 ImproveSEO <= 2.0.11 - Unauthenticated Arbitrary File Upload Leading to Remote Code Execut
CVE-2026-10526 EmbedPress < 4.6.1 - Unauthenticated Blind SSRF
CVE-2026-11366 MonsterInsights < 11.1.0 - Unauthenticated Measurement Protocol Secret Update via Empty-Ke
CVE-2026-16536 Simple Google Calendar Outlook Events Widget < 3.1.0 - Unauthenticated SSRF via calendar_i
CVE-2026-16623 Create Block Theme < 2.10.0 - Admin+ PHP Code Injection via Pattern Save (Multisite)
CVE-2026-12698 wpForo Forum < 3.1.3 - Subscriber+ Account Status and Reputation Manipulation via Profile
CVE-2026-14939 Visualizer: Tables and Charts Manager < 4.0.6 - Contributor+ Server-Side Request Forgery v
CVE-2026-14816 The GDPR Framework < 2.4.0 - Unauthenticated Consent Record Forgery and Do Not Sell Reques
CVE-2026-14872 Database for Contact Form 7, WPforms, Elementor forms < 1.5.5 - Authenticated SQL Injectio
CVE-2026-14824 Quiz And Survey Master < 11.2.2 - Contributor+ Stored XSS via Polar Question
CVE-2026-14848 Paid Member Subscriptions < 3.0.8 - Subscriber+ Cross-User Subscription Hijack via process
CVE-2026-16296 Clearfy < 2.4.3 - Open Redirect via Cyrlitera 404 Handler
CVE-2026-16056 Contest Gallery < 30.0.7 - Subscriber+ OpenAI Prompt History Disclosure via post_cg_get_op
CVE-2026-15233 Nested Pages < 3.2.15 - Editor+ Stored XSS via Post Title
CVE-2026-15958 Easy Dropbox Integration < 2.2.0 - Unauthenticated Arbitrary Connected Dropbox File Access
CVE-2026-16293 Blubrry PowerPress < 11.16.11 - Contributor+ Stored XSS via Podcast Episode Chapters URL
CVE-2026-16068 Brizy - Page Builder < 2.8.19 - Author+ Stored XSS via brizy_set_project Global Project Co
CVE-2026-16069 Brizy - Page Builder < 2.8.19 - Contributor+ Stored XSS via Featured Image Focal Point
CVE-2026-16070 Brizy - Page Builder < 2.8.19 - Contributor+ Template Type Update via IDOR

Showing top 20 of 24 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Wired Impact Volunteer Management
Same vendor: Unknown