CVE-2013-10053

HIGH

ZPanel < 10.0.0.2 - Authenticated Remote Code Execution via htpasswd Module Username Field

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2013-10053. PoCs published by shachibista, sinn3r, including Metasploit module exploits/unix/webapp/zpanel_username_exec.

AI-analyzed exploit summary This Metasploit module exploits a command injection vulnerability in ZPanel's htpasswd module, allowing authenticated users to execute arbitrary system commands via the username field. The exploit leverages CSRF token handling and session management to authenticate and inject the payload.

Description

A remote command execution vulnerability exists in ZPanel version 10.0.0.2 in its htpasswd module. When creating .htaccess files, the inHTUsername field is passed unsanitized to a system() call that invokes the system’s htpasswd binary. By injecting shell metacharacters into the username field, an authenticated attacker can execute arbitrary system commands. Exploitation requires a valid ZPanel account—such as one in the default Users, Resellers, or Administrators groups—but no elevated privileges.

Exploits (1)

metasploit WORKING POC EXCELLENT
by shachibista, sinn3r · rubypocunix
https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/unix/webapp/zpanel_username_exec.rb

This Metasploit module exploits a command injection vulnerability in ZPanel's htpasswd module, allowing authenticated users to execute arbitrary system commands via the username field. The exploit leverages CSRF token handling and session management to authenticate and inject the payload.

Classification
Working Poc 100%
Attack Type
Rce
Complexity
Moderate
Reliability
Reliable
Target: ZPanel 10.0.0.2
Auth required
Prerequisites: Valid ZPanel credentials · Access to the htpasswd module
devstral-2 · analyzed Feb 16, 2026 Full analysis →

Scores

CVSS v4 8.7
EPSS 0.0103
EPSS Percentile 59.4%
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact total

Details

CWE
CWE-78
Status published
Products (1)
ZPanel Project/ZPanel < 10.0.0.2
Published Aug 01, 2025
Tracked Since Feb 18, 2026