CVE-2007-4453

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

Published: 2007-08-21 Last update: 2026-04-23 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2007-4453 is rated Low Risk (38.3/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 0.40%). Monitor for updates and reassess as exploit intelligence or EPSS changes.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2007-4453

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2025-09-16 0.25% 0.40% +0.15%
2 2025-03-17 0.35% 0.25% -0.10%
3 2025-01-13 — 0.35% —

Full EPSS history (6 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2007-4453

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
4.3 2.0 MEDIUM
AV:N/AC:M/Au:N/C:N/I:P/A:N Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:M)
Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:N)
No availability impact.
 8.6 2.9 [email protected]

Weakness enumeration for CVE-2007-4453

OS Trackers for CVE-2007-4453

vendor priority summary link
alpine — CVE-2007-4453: no source package rows; 0 state rows across 0 repos (none); fixed 0, open 0. https://security.alpinelinux.org/vuln/CVE-2007-4453

Affected software / configurations for CVE-2007-4453

Vendor Product Version Raw CPE
jelsoft vbulletin 3.6.8 cpe:2.3:a:jelsoft:vbulletin:3.6.8:*:*:*:*:*:*:*

References for CVE-2007-4453

cvelogic Threat Intelligence