Is CVE-2007-4453 actively exploited?

No active exploitation of CVE-2007-4453 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2007-4453 be exploited remotely?

Yes. CVE-2007-4453 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2007-4453?

CVE-2007-4453 has a CVSS score of 4.3 (MEDIUM).

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MEDIUM

CVE-2007-4453

NVD-CWE-OtherPublished: August 21, 2007· Updated: Jun 16, 2026

4.3

CVSS v3.1

Official Description

Multiple cross-site scripting (XSS) vulnerabilities in vBulletin 3.6.8 allow remote attackers to inject arbitrary web code or HTML via the (1) s parameter to index.php, and the (2) q parameter to (a) faq.php, (b) member.php, (c) memberlist.php, (d) calendar.php, (e) search.php, (f) forumdisplay.php, (g) showgroups.php, (h) online.php, and (i) sendmessage.php. NOTE: these issues have been disputed by the vendor, stating "I can't reproduce a single one of these". The researcher is known to be unreliable

NVD Source

Technical Analysis

CVE-2007-4453 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires some privileges, which limits the exposure to scenarios where an attacker has already gained initial access.