How severe is CVE-2005-4335?

CVE-2005-4335 has a CVSS 2.0 base score of 7.8, rated high severity.

Is CVE-2005-4335 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (76th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2005-4335?

CVE-2005-4335 affects Courseforum Projectforum. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2005-4335?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2005-4335 published?

CVE-2005-4335 was published on 2005-12-17 and last updated on 2026-06-16.

CVE-2005-4335

CVE-2005-4335 is a high-severity vulnerability in Courseforum Projectforum with a CVSS 2.0 base score of 7.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: High (CVSS 2.0 base score 7.8)
EPSS exploit prediction: 2% (76th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Courseforum Projectforum
Published: 2005-12-17
Last modified: 2026-06-16

Description

ProjectForum 4.7.0 and earlier allows remote attackers to cause a denial of service (crash) via a crafted pageid parameter to admin/versions.html.

Frequently asked questions

What is CVE-2005-4335?: ProjectForum 4.7.0 and earlier allows remote attackers to cause a denial of service (crash) via a crafted pageid parameter to admin/versions.html.
How severe is CVE-2005-4335?: CVE-2005-4335 has a CVSS 2.0 base score of 7.8, rated high severity.
Is CVE-2005-4335 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (76th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2005-4335?: CVE-2005-4335 affects Courseforum Projectforum. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2005-4335?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2005-4335 published?: CVE-2005-4335 was published on 2005-12-17 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:courseforum:projectforum:*:*:*:*:*:*:*:*

More vulnerabilities in Courseforum Projectforum

CVE-2011-4277 — Medium (CVSS 4.3): Cross-site scripting (XSS) vulnerability in CourseForum ProjectForum 7.0.1.3038 allows remote attackers to inject…
CVE-2005-4336 — Medium (CVSS 4.3): Cross-site scripting (XSS) vulnerability in ProjectForum 4.7.0 and earlier allows remote attackers to inject arbitrary…

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