CVE-2002-0955 Cross-site scripting in n/a

High 7.5 Published 31 Aug 2002 Updated 8 Aug 2024

Remote attackers can execute arbitrary scripts in other users' browsers via the num parameter in YaBB.cgi, potentially leading to session hijacking.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: A user has to click or open something
Fix: None listed

What is CVE-2002-0955?

CVE-2002-0955 is a high-severity cross-site scripting vulnerability in n/a, published on 31 Aug 2002. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

Cross-site scripting vulnerability in YaBB.cgi for Yet Another Bulletin Board (YaBB) 1 Gold SP1 and earlier allows remote attackers to execute arbitrary script as other web site visitors via script in the num parameter, which is not filtered in the resulting error message.

Which versions are affected by CVE-2002-0955?

It affects 1 product.

Products include Yabb Yabb.

How do I fix CVE-2002-0955?

No fix has been published for CVE-2002-0955 yet. Limit exposure of the affected software until one is available.

Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.

Is CVE-2002-0955 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2002-0955 exists.

Public exploit code: 1 Exploit-DB entry.

Sources

Also known as GHSA-rxvx-4qf3-f363.