How severe is CVE-2006-4421?

CVE-2006-4421 has a CVSS 2.0 base score of 4.3, rated medium severity.

Is CVE-2006-4421 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (73rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2006-4421?

CVE-2006-4421 affects Yapig. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2006-4421?

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

When was CVE-2006-4421 published?

CVE-2006-4421 was published on 2006-08-29 and last updated on 2026-06-16.

CVE-2006-4421

CVE-2006-4421 is a medium-severity vulnerability in Yapig 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: 2% (73rd percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Yapig
Published: 2006-08-29
Last modified: 2026-06-16

Description

Cross-site scripting (XSS) vulnerability in template/default/thanks_comment.php in Yet Another PHP Image Gallery (YaPIG) 0.95b allows remote attackers to inject arbitrary web script or HTML via the D_REFRESH_URL parameter.

Frequently asked questions

What is CVE-2006-4421?: Cross-site scripting (XSS) vulnerability in template/default/thanks_comment.php in Yet Another PHP Image Gallery (YaPIG) 0.95b allows remote attackers to inject arbitrary web script or HTML via the D_REFRESH_URL parameter.
How severe is CVE-2006-4421?: CVE-2006-4421 has a CVSS 2.0 base score of 4.3, rated medium severity.
Is CVE-2006-4421 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (73rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2006-4421?: CVE-2006-4421 affects Yapig. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2006-4421?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2006-4421 published?: CVE-2006-4421 was published on 2006-08-29 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:yapig:yapig:0.95b:*:*:*:*:*:*:*

More vulnerabilities in Yapig

CVE-2005-4800 — Critical (CVSS 9.0): Direct static code injection vulnerability in Yet Another PHP Image Gallery (YaPIG) 0.95b and earlier allows remote…
CVE-2005-4801 — High (CVSS 7.5): Multiple cross-site request forgery (CSRF) vulnerabilities in Yet Another PHP Image Gallery (YaPIG) 0.95b and earlier…
CVE-2005-1882 — High (CVSS 7.5): PHP remote file inclusion vulnerability in last_gallery.php in YaPiG 0.93u and 0.94u allows remote attackers to execute…
CVE-2005-1881 — High (CVSS 7.5): upload.php in YaPiG 0.92b, 0.93u and 0.94u does not properly restrict the file extension for uploaded image files,…
CVE-2007-4951 — Medium (CVSS 6.8): PHP remote file inclusion vulnerability in sample.php in YaPiG 0.95b allows remote attackers to execute arbitrary PHP…
CVE-2005-1884 — Medium (CVSS 6.4): Directory traversal vulnerability in the (1) rmdir or (2) mkdir commands in upload.php in YaPiG 0.92b, 0.93u and 0.94u…

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