0.0
NA
CVE-2026-79621
CatalogX < 6.1.3 - Unauthenticated Email Content Injection via Shared Transient
Description

The CatalogX WordPress plugin before 6.1.3 does not sanitise or escape content that an unauthenticated user can store before including it in the product enquiry notification email sent to the site administrator, allowing unauthenticated attackers to inject arbitrary content into that email, which is delivered when an unrelated visitor later submits a product enquiry.

INFO

Published Date :

Sept. 2, 2026, 6:17 a.m.

Last Modified :

Sept. 2, 2026, 6:17 a.m.

Remotely Exploit :

No
Affected Products

The following products are affected by CVE-2026-79621 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 CatalogX WordPress plugin to version 6.1.3 or later to fix the vulnerability.
  • Update CatalogX WordPress plugin to version 6.1.3 or later.
  • Apply security patches provided by the vendor.
  • Sanitize user input before email inclusion.
  • Escape content before sending notification emails.
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-2026-79621.

URL Resource
https://wpscan.com/vulnerability/9a4c12ff-80d8-400c-abfa-de557ead3b07/
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-79621 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-2026-79621 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-2026-79621 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2026-79621 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]

    Sep. 02, 2026

    Action Type Old Value New Value
    Added Description The CatalogX WordPress plugin before 6.1.3 does not sanitise or escape content that an unauthenticated user can store before including it in the product enquiry notification email sent to the site administrator, allowing unauthenticated attackers to inject arbitrary content into that email, which is delivered when an unrelated visitor later submits a product enquiry.
    Added Affected New affected value received. <a href="https://github.com/CVEProject/cvelistV5/blob/main/cves/2026/79xxx/CVE-2026-79621.json">CVE-2026-79621</a>
    Added Reference https://wpscan.com/vulnerability/9a4c12ff-80d8-400c-abfa-de557ead3b07/
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.