How severe is CVE-2012-5567?

CVE-2012-5567 has a CVSS 2.0 base score of 4.3, rated medium severity.

Is CVE-2012-5567 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (84th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2012-5567?

CVE-2012-5567 primarily affects Horde Groupware. In total, 33 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2012-5567?

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

When was CVE-2012-5567 published?

CVE-2012-5567 was published on 2014-04-05 and last updated on 2026-06-16.

CVE-2012-5567

CVE-2012-5567 is a medium-severity vulnerability in Horde Groupware 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% (84th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Horde Groupware
Published: 2014-04-05
Last modified: 2026-06-16

Description

Multiple cross-site scripting (XSS) vulnerabilities in Horde Kronolith Calendar Application H4 before 3.0.18, as used in Horde Groupware Webmail Edition before 4.0.9, allow remote attackers to inject arbitrary web script or HTML via crafted event location parameters in the (1) month, (2) monthlist, or (3) prevmonthlist fields, related to portal blocks.

Frequently asked questions

What is CVE-2012-5567?: Multiple cross-site scripting (XSS) vulnerabilities in Horde Kronolith Calendar Application H4 before 3.0.18, as used in Horde Groupware Webmail Edition before 4.0.9, allow remote attackers to inject arbitrary web script or HTML via crafted event location parameters in the (1) month, (2) monthlist, or (3) prevmonthlist fields, related to portal blocks.
How severe is CVE-2012-5567?: CVE-2012-5567 has a CVSS 2.0 base score of 4.3, rated medium severity.
Is CVE-2012-5567 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (84th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2012-5567?: CVE-2012-5567 primarily affects Horde Groupware. In total, 33 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2012-5567?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2012-5567 published?: CVE-2012-5567 was published on 2014-04-05 and last updated on 2026-06-16.

References

Affected products (33)

cpe:2.3:a:horde:groupware:*:*:webamail:*:*:*:*:*
cpe:2.3:a:horde:groupware:4.0:*:webamail:*:*:*:*:*
cpe:2.3:a:horde:groupware:4.0:rc1:webamail:*:*:*:*:*
cpe:2.3:a:horde:groupware:4.0:rc2:webamail:*:*:*:*:*
cpe:2.3:a:horde:groupware:4.0.1:*:webamail:*:*:*:*:*
cpe:2.3:a:horde:groupware:4.0.2:*:webamail:*:*:*:*:*
cpe:2.3:a:horde:groupware:4.0.3:*:webamail:*:*:*:*:*
cpe:2.3:a:horde:groupware:4.0.4:*:webamail:*:*:*:*:*
cpe:2.3:a:horde:groupware:4.0.5:*:webamail:*:*:*:*:*
cpe:2.3:a:horde:groupware:4.0.6:*:webamail:*:*:*:*:*
cpe:2.3:a:horde:groupware:4.0.7:*:webamail:*:*:*:*:*
cpe:2.3:a:horde:kronolith_h4:*:*:*:*:*:*:*:*
cpe:2.3:a:horde:kronolith_h4:3.0:*:*:*:*:*:*:*
cpe:2.3:a:horde:kronolith_h4:3.0:alpha1:*:*:*:*:*:*
cpe:2.3:a:horde:kronolith_h4:3.0:beta1:*:*:*:*:*:*
cpe:2.3:a:horde:kronolith_h4:3.0:rc1:*:*:*:*:*:*
cpe:2.3:a:horde:kronolith_h4:3.0:rc2:*:*:*:*:*:*
cpe:2.3:a:horde:kronolith_h4:3.0.1:*:*:*:*:*:*:*
cpe:2.3:a:horde:kronolith_h4:3.0.2:*:*:*:*:*:*:*
cpe:2.3:a:horde:kronolith_h4:3.0.3:*:*:*:*:*:*:*
cpe:2.3:a:horde:kronolith_h4:3.0.4:*:*:*:*:*:*:*
cpe:2.3:a:horde:kronolith_h4:3.0.5:*:*:*:*:*:*:*
cpe:2.3:a:horde:kronolith_h4:3.0.6:*:*:*:*:*:*:*
cpe:2.3:a:horde:kronolith_h4:3.0.7:*:*:*:*:*:*:*
cpe:2.3:a:horde:kronolith_h4:3.0.8:*:*:*:*:*:*:*
cpe:2.3:a:horde:kronolith_h4:3.0.9:*:*:*:*:*:*:*
cpe:2.3:a:horde:kronolith_h4:3.0.10:*:*:*:*:*:*:*
cpe:2.3:a:horde:kronolith_h4:3.0.11:*:*:*:*:*:*:*
cpe:2.3:a:horde:kronolith_h4:3.0.12:*:*:*:*:*:*:*
cpe:2.3:a:horde:kronolith_h4:3.0.13:*:*:*:*:*:*:*
cpe:2.3:a:horde:kronolith_h4:3.0.14:*:*:*:*:*:*:*
cpe:2.3:a:horde:kronolith_h4:3.0.15:*:*:*:*:*:*:*
cpe:2.3:a:horde:kronolith_h4:3.0.16:*:*:*:*:*:*:*

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CVE-2008-7219 — Critical (CVSS 10.0): Horde Kronolith H3 2.1 before 2.1.7 and 2.2 before 2.2-RC2; Nag H3 2.1 before 2.1.4 and 2.2 before 2.2-RC2; Mnemo H3…
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