0.0
NA
CVE-2026-16546
Wired Impact Volunteer Management < 2.8.2 - Subscriber+ Arbitrary RSVP Removal via wivm_remove_rsvp
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.

INFO

Published Date :

Aug. 4, 2026, 7:16 a.m.

Last Modified :

Aug. 4, 2026, 7:16 a.m.

Remotely Exploit :

No
Affected Products

The following products are affected by CVE-2026-16546 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

No affected product recoded yet

Solution
Update the Wired Impact Volunteer Management plugin to version 2.8.2 or later to fix authorization checks.
  • Update the plugin to version 2.8.2 or later.
  • Verify RSVP removal functionality is restricted.
  • Review other AJAX actions for similar issues.
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2026-16546.

URL Resource
https://wpscan.com/vulnerability/7541bc1a-a4ea-4e02-b10a-ea59708159f4/
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-16546 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2026-16546 weaknesses.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2026-16546 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2026-16546 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • New CVE Received by [email protected]

    Aug. 04, 2026

    Action Type Old Value New Value
    Added Affected [{'vendor': 'Unknown', 'product': 'Wired Impact Volunteer Management', 'versions': [{'status': 'affected', 'version': '0', 'lessThan': '2.8.2', 'versionType': 'semver'}], 'defaultStatus': 'unaffected'}]
    Added 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.
    Added Reference https://wpscan.com/vulnerability/7541bc1a-a4ea-4e02-b10a-ea59708159f4/
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.