PatchTheCVECVE-2015-4153: Directory traversal vulnerability in the zM Ajax Login & Register plugin before 1.1.0 for WordPress allows rem
CVE-2015-4153 is a medium-severity flaw (CVSS 5.0) affecting zm ajax login \& register. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
Directory traversal vulnerability in the zM Ajax Login & Register plugin before 1.1.0 for WordPress allows remote attackers to include and execute arbitrary php files via a relative path in the template parameter in a load_template action to wp-admin/admin-ajax.php.
Why this priority
- EPSS top 4%: very likely to be exploited
- Public exploit reference
A fixed release or distro patch exists.
Risk facts
| CVSS score | 5.0 (Medium) |
| EPSS exploit chance | 13.3% (top 4%) |
| CISA exploited list | No |
| Weakness | CWE-22 |
| Published | 2015-06-10 |
| Last modified | 2026-06-17 |
Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Public exploits and detection
Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2015-4153?
zm ajax login \& register: upgrade to newer than 1.0.9. Exact commands for each OS are on this page.
Is CVE-2015-4153 being exploited?
CVE-2015-4153 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2015-4153 affect?
CVE-2015-4153 affects zm ajax login \& register. Severity is medium (CVSS 5.0). Directory traversal vulnerability in the zM Ajax Login & Register plugin before 1.1.0 for WordPress allows remote attackers to include and execute arbitrary php files via a relative path in the template parameter in a load_template action t
How urgent is CVE-2015-4153?
Priority 47/100. EPSS top 4%: very likely to be exploited; Public exploit reference
Software pages
WordPress vulnerabilities · PHP vulnerabilities
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