CVE-2006-4256

CVE-2006-4256 is a medium-severity vulnerability in Horde Application Framework 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

Description

index.php in Horde Application Framework before 3.1.2 allows remote attackers to include web pages from other sites, which could be useful for phishing attacks, via a URL in the url parameter, aka "cross-site referencing." NOTE: some sources have referred to this issue as XSS, but it is different than classic XSS.

Frequently asked questions

What is CVE-2006-4256?
index.php in Horde Application Framework before 3.1.2 allows remote attackers to include web pages from other sites, which could be useful for phishing attacks, via a URL in the url parameter, aka "cross-site referencing." NOTE: some sources have referred to this issue as XSS, but it is different than classic XSS.
How severe is CVE-2006-4256?
CVE-2006-4256 has a CVSS 2.0 base score of 4.3, rated medium severity.
Is CVE-2006-4256 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (74th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2006-4256?
CVE-2006-4256 primarily affects Horde Application Framework. In total, 13 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2006-4256?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2006-4256 published?
CVE-2006-4256 was published on 2006-08-21 and last updated on 2026-06-16.

References

Affected products (13)

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