Stored XSS Vulnerability in Melapress WP Activity Log Plugin
CVE-2026-121573

6.5MEDIUM

Key Information:

Vendor

WordPress

Vendor
CVE Published:
9 November 2026

What is CVE-2026-121573?

The Melapress WP Activity Log plugin is affected by a Stored Cross-site Scripting (XSS) vulnerability that allows an attacker to inject malicious scripts into web pages. This representation of improper input validation can lead to unauthorized script execution in users' browsers, compromising user sessions and sensitive information. This issue impacts all versions of the plugin from n/a through 5.6.7, emphasizing the need for prompt updates to ensure web application security.

Affected Version(s)

WP Activity Log 0 <= 5.6.7

References

CVSS V3.1

Score:
6.5
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
Required
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Mateusz Będziński | Patchstack Bug Bounty Program
.