How severe is CVE-2007-4453?

CVE-2007-4453 has a CVSS 2.0 base score of 4.3, rated medium severity.

Is CVE-2007-4453 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (59th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2007-4453?

CVE-2007-4453 affects Jelsoft Vbulletin. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2007-4453?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2007-4453 published?

CVE-2007-4453 was published on 2007-08-21 and last updated on 2026-06-16.

CVE-2007-4453

CVE-2007-4453 is a medium-severity vulnerability in Jelsoft Vbulletin with a CVSS 2.0 base score of 4.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Medium (CVSS 2.0 base score 4.3)
EPSS exploit prediction: 1% (59th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Jelsoft Vbulletin
Published: 2007-08-21
Last modified: 2026-06-16

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

Frequently asked questions

What is 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
How severe is CVE-2007-4453?: CVE-2007-4453 has a CVSS 2.0 base score of 4.3, rated medium severity.
Is CVE-2007-4453 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (59th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2007-4453?: CVE-2007-4453 affects Jelsoft Vbulletin. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2007-4453?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2007-4453 published?: CVE-2007-4453 was published on 2007-08-21 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:jelsoft:vbulletin:3.6.8:*:*:*:*:*:*:*

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