CVE-2008-6523

openInvoice 0.90 beta and earlier - Unauthenticated Authentication Bypass via oiauth Cookie

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2008-6523. PoCs published by t0pP8uZz.

AI-analyzed exploit summary This exploit leverages insecure cookie handling and lack of admin panel validation in OpenInvoice 0.9 to arbitrarily change any user's password (except the first admin). It sends a crafted POST request to resetpass.php with a manipulated cookie.

Description

auth.php in openInvoice 0.90 beta and earlier allows remote attackers to bypass authentication and gain privileges by setting the oiauth cookie. NOTE: this can be leveraged with a separate vulnerability in resetpass.php to modify passwords for arbitrary users.

Exploits (1)

exploitdb WORKING POC VERIFIED
by t0pP8uZz · perlwebappsphp
https://www.exploit-db.com/exploits/5466

This exploit leverages insecure cookie handling and lack of admin panel validation in OpenInvoice 0.9 to arbitrarily change any user's password (except the first admin). It sends a crafted POST request to resetpass.php with a manipulated cookie.

Classification
Working Poc 90%
Attack Type
Auth Bypass
Complexity
Trivial
Reliability
Reliable
Target: OpenInvoice 0.9 beta (and prior)
No auth needed
Prerequisites: Target URL running vulnerable OpenInvoice version · User ID to change password for
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (3)

Core 3
Core References
Exploit, Third Party Advisory exploit x_refsource_exploit-db
https://www.exploit-db.com/exploits/5466
Third Party Advisory, VDB Entry vdb-entry x_refsource_xf
https://exchange.xforce.ibmcloud.com/vulnerabilities/41947
Exploit vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/28854

Scores

EPSS 0.0256
EPSS Percentile 83.0%

Details

CWE
CWE-287
Status published
Products (1)
cale_dunlap/openinvoice 0.90 beta
Published Mar 25, 2009
Tracked Since Feb 18, 2026