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Home›CVE Pulse›CVE-2009-3421

CVE-2009-3421

CRITICALCVSS 9.8

9.8

login.php in Zenas PaoBacheca Guestbook 2.1, when register_globals is enabled, allows remote attackers to bypass authentication and gain administrative access by setting the login_ok parameter to 1.

📅 Published

September 25, 2009

🔄 Last Modified

April 23, 2026

📋 Advisory Details (3)

Auto-updated Apr 30, 2026

🔬 Proof of concept available. No patch confirmed yet.

generic

IBM X-Force Exchange

https://exchange.xforce.ibmcloud.com/vulnerabilities/52100

generic🟡 PoC Available

PaoBacheca Guestbook 2.1 - 'login_ok' Authentication Bypass - PHP webapps Exploit

http://www.exploit-db.com/exploits/9293

generic

About Secunia Research | Flexera

http://secunia.com/advisories/36023

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