CVE-2008-5059

ModernBill < 4.4 - Cross-Site Scripting via new_language Parameter

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2008-5059. PoCs published by nigh7f411.

AI-analyzed exploit summary This exploit demonstrates a Remote File Inclusion (RFI) vulnerability in ModernBill <= v4.4.X, allowing arbitrary remote code execution by manipulating the 'DIR' parameter in multiple scripts. It also includes an XSS payload targeting the login page.

Description

Cross-site scripting (XSS) vulnerability in index.php in ModernBill 4.4 and earlier allows remote attackers to inject arbitrary web script or HTML via a Javascript event in the new_language parameter in a login action.

Exploits (1)

exploitdb WORKING POC VERIFIED
by nigh7f411 · textwebappsphp
https://www.exploit-db.com/exploits/6916

This exploit demonstrates a Remote File Inclusion (RFI) vulnerability in ModernBill <= v4.4.X, allowing arbitrary remote code execution by manipulating the 'DIR' parameter in multiple scripts. It also includes an XSS payload targeting the login page.

Classification
Working Poc 90%
Attack Type
Rce | Xss
Complexity
Trivial
Reliability
Reliable
Target: ModernBill <= v4.4.X
No auth needed
Prerequisites: Network access to the target application · Ability to host malicious files on a remote server
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (4)

Core 4
Core References
Vendor Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/32529
Third Party Advisory, VDB Entry vdb-entry x_refsource_xf
https://exchange.xforce.ibmcloud.com/vulnerabilities/46512
Third Party Advisory third-party-advisory x_refsource_sreason
http://securityreason.com/securityalert/4587
Exploit, Third Party Advisory exploit x_refsource_exploit-db
https://www.exploit-db.com/exploits/6916

Scores

EPSS 0.0364
EPSS Percentile 88.0%

Details

CWE
CWE-79
Status published
Products (14)
modernbill/modernbill 2.01
modernbill/modernbill 2.02s
modernbill/modernbill 3.0 beta
modernbill/modernbill 3.1.0
modernbill/modernbill 3.1.3
modernbill/modernbill 4.0.1 rc7 (2 CPE variants)
modernbill/modernbill 4.0.2
modernbill/modernbill 4.1.1
modernbill/modernbill 4.1.2
modernbill/modernbill 4.1.3
... and 4 more
Published Nov 13, 2008
Tracked Since Feb 18, 2026