What’s Vulnerable › Vulnerabilities
CVE-2026-79621: CatalogX < 6.1.3 - Unauthenticated Email Content Injection via Shared Transient
- Severity: medium (CVSS 4.3 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.1% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-09-02 · updated 2026-09-03
- Weakness: CWE-345
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.
Affected products
- CatalogX: before 6.1.3 — fixed in 6.1.3
How to fix
Upgrade to a fixed version: CatalogX 6.1.3. Check the vendor advisory for mitigations.
References
Get alerted when CVE-2026-79621 or the next vulnerability affects your stack