How severe is CVE-2008-3773?

CVE-2008-3773 has a CVSS 2.0 base score of 4.3, rated medium severity.

Is CVE-2008-3773 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (89th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2008-3773?

CVE-2008-3773 primarily affects Vbulletin. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2008-3773?

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

When was CVE-2008-3773 published?

CVE-2008-3773 was published on 2008-08-22 and last updated on 2026-06-16.

CVE-2008-3773

CVE-2008-3773 is a medium-severity vulnerability in 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. The underlying weakness is classified as CWE-79.

Key facts

Severity: Medium (CVSS 2.0 base score 4.3)
EPSS exploit prediction: 4% (89th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Vbulletin
Published: 2008-08-22
Last modified: 2026-06-16

Description

Cross-site scripting (XSS) vulnerability in vBulletin 3.7.2 PL1 and 3.6.10 PL3, when "Show New Private Message Notification Pop-Up" is enabled, allows remote authenticated users to inject arbitrary web script or HTML via a private message subject (aka newpm[title]).

Frequently asked questions

What is CVE-2008-3773?: Cross-site scripting (XSS) vulnerability in vBulletin 3.7.2 PL1 and 3.6.10 PL3, when "Show New Private Message Notification Pop-Up" is enabled, allows remote authenticated users to inject arbitrary web script or HTML via a private message subject (aka newpm[title]).
How severe is CVE-2008-3773?: CVE-2008-3773 has a CVSS 2.0 base score of 4.3, rated medium severity.
Is CVE-2008-3773 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (89th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2008-3773?: CVE-2008-3773 primarily affects Vbulletin. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2008-3773?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2008-3773 published?: CVE-2008-3773 was published on 2008-08-22 and last updated on 2026-06-16.

References

Affected products (2)

cpe:2.3:a:vbulletin:vbulletin:3.6.10:pl3:*:*:*:*:*:*
cpe:2.3:a:vbulletin:vbulletin:3.7.2:pl1:*:*:*:*:*:*

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