CVE-2026-73403: WordPress User Registration plugin <= 5.2.6 - Broken Access Control vulnerability
Published Aug 13, 2026
·Updated
Unauthenticated Broken Access Control in User Registration <= 5.2.6 versions.
Affected Software
1 affected component
WordPress User Registration plugin<=5.2.6
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
WordPress User Registration Pluginto a version that resolves this vulnerability.Fixed in 5.2.7
Event History
Aug 13, 2026
CVE Published
via MITRE·01:37 PM
Data Sourced
via MITRE·01:37 PM
RemedyDescriptionSeverityWeakness
Frequently Asked Questions
1
What is the severity of CVE-2026-73403?
The severity of CVE-2026-73403 is rated as medium with a score of 5.3.
2
How do I fix CVE-2026-73403?
To fix CVE-2026-73403, you should update the WordPress User Registration plugin to version 5.2.7 or later.
3
What type of vulnerability is CVE-2026-73403?
CVE-2026-73403 is classified as a Broken Access Control vulnerability.
4
Who is affected by CVE-2026-73403?
Users of the WordPress User Registration plugin versions 5.2.6 and earlier are affected by CVE-2026-73403.
5
What impact does CVE-2026-73403 have?
CVE-2026-73403 allows unauthenticated users to exploit broken access controls.