CVE-2009-4416

CVE-2009-4416 is a medium-severity vulnerability in Phpgroupware 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: 2% (81st percentile)
• Actively exploited: Not listed in CISA KEV
• Weakness: CWE-79
• Affected product: Phpgroupware
• Published: 2009-12-24
• Last modified: 2026-06-16

Description

Cross-site scripting (XSS) vulnerability in login.php in phpGroupWare 0.9.16.12, and possibly other versions before 0.9.16.014, allows remote attackers to inject arbitrary web script or HTML via an arbitrary parameter whose name begins with the "phpgw_" sequence.

Frequently asked questions

What is CVE-2009-4416?

Cross-site scripting (XSS) vulnerability in login.php in phpGroupWare 0.9.16.12, and possibly other versions before 0.9.16.014, allows remote attackers to inject arbitrary web script or HTML via an arbitrary parameter whose name begins with the "phpgw_" sequence.

How severe is CVE-2009-4416?

CVE-2009-4416 has a CVSS 2.0 base score of 4.3, rated medium severity.

Is CVE-2009-4416 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (81st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2009-4416?

CVE-2009-4416 affects Phpgroupware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2009-4416?

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

When was CVE-2009-4416 published?

CVE-2009-4416 was published on 2009-12-24 and last updated on 2026-06-16.

References

• http://kambing.ui.ac.id/gentoo-portage/www-apps/phpgroupware/files/phpgroupware-SA35519.patch
• http://secunia.com/advisories/35519
• http://svn.savannah.gnu.org/viewvc/branches/Version-0_9_16-branch/login.php?r1=19063&r2=19117&pathrev=19117&sortby=date&root=phpgroupware
• http://svn.savannah.gnu.org/viewvc/branches/Version-0_9_16-branch/phpgwapi/doc/CHANGELOG?r1=17045&r2=19117&pathrev=19117&sortby=date&root=phpgroupware
• http://svn.savannah.gnu.org/viewvc?view=rev&root=phpgroupware&sortby=date&revision=19117
• http://www.openwall.com/lists/oss-security/2009/12/20/1
• http://www.osvdb.org/56179
• http://www.securityfocus.com/bid/35761
• https://exchange.xforce.ibmcloud.com/vulnerabilities/51923

Affected products (1)

• cpe:2.3:a:phpgroupware:phpgroupware:0.9.16.12:*:*:*:*:*:*:*

More vulnerabilities in Phpgroupware

• CVE-2004-2407 — Critical (CVSS 10.0): Unknown vulnerability in phpGroupWare before 0.9.14.002 has unknown attack vectors and impact, related to a "security…
• CVE-2004-2406 — Critical (CVSS 10.0): Unknown "overflow" in the phpgw_config table for phpGroupWare before 0.9.14.002 has unknown attack vectors and impact.
• CVE-2003-0599 — Critical (CVSS 10.0): Unknown vulnerability in the Virtual File System (VFS) capability for phpGroupWare 0.9.16preRC and versions before…
• CVE-2001-0043 — Critical (CVSS 10.0): phpGroupWare before 0.9.7 allows remote attackers to execute arbitrary PHP commands by specifying a malicious include…
• CVE-2010-0404 — High (CVSS 7.5): Multiple SQL injection vulnerabilities in phpGroupWare (phpgw) before 0.9.16.016 allow remote attackers to execute…
• CVE-2009-4415 — High (CVSS 7.5): Multiple directory traversal vulnerabilities in phpGroupWare 0.9.16.12, and possibly other versions before 0.9.16.014,…

All CVEs affecting Phpgroupware →

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