CVE-2015-4153

Exp

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.

Published: 2015-06-10 Last update: 2026-05-06 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2015-4153 is rated High Exploit Risk (74.1/100): CVSS Medium severity, with high exploitation likelihood (EPSS 45.89%, 97th percentile). Core evidence: 3 public exploit reference(s) are indexed (Exploit-DB). EPSS rose +13.09% over the last day, indicating growing attacker interest. Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Public exploit references (Exploit-DB) for CVE-2015-4153

EDB-ID Source Kind Published Link
37200 exploit_db edb 2015-06-04 Exploit-DB ↗
nvd_ref exploit_tag Exploit-DB ↗
nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2015-4153

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2025-06-21 32.80% 45.89% +13.09%
2 2025-05-25 27.26% 32.80% +5.54%
3 2025-05-21 27.26%

Full EPSS history (14 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2015-4153

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
5.0 2.0 MEDIUM
AV:N/AC:L/Au:N/C:P/I:N/A:N Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:N)
No availability impact.
10.0 2.9 [email protected]

Weakness enumeration for CVE-2015-4153

OS Trackers for CVE-2015-4153

vendor priority summary link
gentoo normal CVE-2015-4153: 1 GLSA(s) (201512-10), 4 atom(s) (mail-client/thunderbird, mail-client/thunderbird-bin, www-client/firefox, www-client/firefox-bin); latest impact normal. https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2015-4153

Affected software / configurations for CVE-2015-4153

Vendor Product Version Raw CPE
zanematthew zm_ajax_login_\&_register <= 1.0.9 cpe:2.3:a:zanematthew:zm_ajax_login_\&_register:*:*:*:*:*:wordpress:*:*

References for CVE-2015-4153

cvelogic Threat Intelligence