CVE-2026-42380: WordPress AI Lab theme < 5.4.2 - PHP Object Injection vulnerability
Published Jun 17, 2026
·Updated
Unauthenticated PHP Object Injection in AI Lab < 5.4.2 versions.
Affected Software
1 affected component
WordPress AI Lab (WordPress theme)<5.4.2
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
WordPress AI Lab themeto a version that resolves this vulnerability.Fixed in 5.4.2
Event History
Jun 17, 2026
CVE Published
via MITRE·09:51 AM
Data Sourced
via MITRE·09:51 AM
RemedyDescriptionSeverityWeakness
Data Sourced
via NVD·01:20 PM
DescriptionSeverityWeakness
Frequently Asked Questions
1
What is the severity of CVE-2026-42380?
The severity of CVE-2026-42380 is rated as critical with a score of 9.8.
2
How do I fix CVE-2026-42380?
To fix CVE-2026-42380, update the WordPress AI Lab theme to version 5.4.2 or later.
3
What type of vulnerability is CVE-2026-42380?
CVE-2026-42380 is a PHP Object Injection vulnerability affecting versions prior to 5.4.2 of the AI Lab theme.
4
Who is affected by CVE-2026-42380?
Any WordPress site using the AI Lab theme version 5.4.2 or earlier is affected by CVE-2026-42380.
5
Can I exploit CVE-2026-42380 remotely?
Yes, CVE-2026-42380 can be exploited remotely as it allows unauthenticated access.