How severe is CVE-2011-4950?

CVE-2011-4950 has a CVSS 2.0 base score of 4.3, rated medium severity.

Is CVE-2011-4950 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (69th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2011-4950?

CVE-2011-4950 primarily affects Egroupware. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2011-4950?

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

When was CVE-2011-4950 published?

CVE-2011-4950 was published on 2012-08-31 and last updated on 2026-06-16.

CVE-2011-4950

CVE-2011-4950 is a medium-severity vulnerability in Egroupware 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: 1% (69th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Egroupware
Published: 2012-08-31
Last modified: 2026-06-16

Description

Cross-site scripting (XSS) vulnerability in phpgwapi/js/jscalendar/test.php in EGroupware Enterprise Line (EPL) before 11.1.20110804-1 and EGroupware Community Edition before 1.8.001.20110805 allows remote attackers to inject arbitrary web script or HTML via the lang parameter.

Frequently asked questions

What is CVE-2011-4950?: Cross-site scripting (XSS) vulnerability in phpgwapi/js/jscalendar/test.php in EGroupware Enterprise Line (EPL) before 11.1.20110804-1 and EGroupware Community Edition before 1.8.001.20110805 allows remote attackers to inject arbitrary web script or HTML via the lang parameter.
How severe is CVE-2011-4950?: CVE-2011-4950 has a CVSS 2.0 base score of 4.3, rated medium severity.
Is CVE-2011-4950 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (69th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2011-4950?: CVE-2011-4950 primarily affects Egroupware. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2011-4950?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2011-4950 published?: CVE-2011-4950 was published on 2012-08-31 and last updated on 2026-06-16.

References

Affected products (2)

cpe:2.3:a:egroupware:egroupware:*:-:community:*:*:*:*:*
cpe:2.3:a:egroupware:egroupware_enterprise_line:*:*:*:*:*:*:*:*

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