How severe is CVE-2005-2539?

CVE-2005-2539 has a CVSS 2.0 base score of 4.3, rated medium severity.

Is CVE-2005-2539 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (83rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2005-2539?

CVE-2005-2539 affects Flatnuke. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2005-2539?

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

When was CVE-2005-2539 published?

CVE-2005-2539 was published on 2005-08-10 and last updated on 2026-06-16.

CVE-2005-2539

CVE-2005-2539 is a medium-severity vulnerability in Flatnuke 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: 3% (83rd percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Flatnuke
Published: 2005-08-10
Last modified: 2026-06-16

Description

Multiple cross-site scripting (XSS) vulnerabilities in FlatNuke 2.5.5 and possibly earlier versions allow remote attackers to inject arbitrary web script or HTML via the (1) bodycolor, (2) backimage, (3) theme, or (4) logo parameter to structure.php, (5) admin, (6) admin_mail, or (7) back parameter to footer.php, or (8) the message body in a news post.

Frequently asked questions

What is CVE-2005-2539?: Multiple cross-site scripting (XSS) vulnerabilities in FlatNuke 2.5.5 and possibly earlier versions allow remote attackers to inject arbitrary web script or HTML via the (1) bodycolor, (2) backimage, (3) theme, or (4) logo parameter to structure.php, (5) admin, (6) admin_mail, or (7) back parameter to footer.php, or (8) the message body in a news post.
How severe is CVE-2005-2539?: CVE-2005-2539 has a CVSS 2.0 base score of 4.3, rated medium severity.
Is CVE-2005-2539 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (83rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2005-2539?: CVE-2005-2539 affects Flatnuke. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2005-2539?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2005-2539 published?: CVE-2005-2539 was published on 2005-08-10 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:flatnuke:flatnuke:2.5.5:*:*:*:*:*:*:*

More vulnerabilities in Flatnuke

CVE-2005-4448 — Critical (CVSS 10.0): FlatNuke 2.5.6 verifies authentication credentials based on an MD5 checksum of the admin name and the hashed password…
CVE-2005-1894 — High (CVSS 7.5): Direct code injection vulnerability in FlatNuke 2.5.3 allows remote attackers to execute arbitrary PHP code by placing…
CVE-2005-0267 — High (CVSS 7.5): index.php in FlatNuke 2.5.1 allows remote attackers to create an administrator account via carriage returns and #10 in…
CVE-2005-0268 — High (CVSS 7.5): Direct code injection vulnerability in FlatNuke 2.5.1 allows remote attackers to execute arbitrary PHP code by placing…
CVE-2005-2815 — Medium (CVSS 6.4): print.php in FlatNuke 2.5.6 allows remote attackers to obtain sensitive information (path disclosure on error) or cause…
CVE-2005-1892 — Medium (CVSS 6.4): FlatNuke 2.5.3 allows remote attackers to cause a denial of service or obtain sensitive information via (1) a direct…

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