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% (83rd 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% (83rd 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% (83rd 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:*:*:*:*:*:*:*

More vulnerabilities in Horde Groupware

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…
CVE-2008-7218 — Critical (CVSS 10.0): Unspecified vulnerability in the Horde API in Horde 3.1 before 3.1.6 and 3.2 before 3.2 before 3.2-RC2; Turba H3 2.1…
CVE-2020-8518 — Critical (CVSS 9.8): Horde Groupware Webmail Edition 5.2.22 allows injection of arbitrary PHP code via CSV data, leading to remote code…
CVE-2013-6364 — High (CVSS 8.8): Horde Groupware Webmail Edition has CSRF and XSS when saving search as a virtual address book
CVE-2019-12095 — High (CVSS 8.8): Horde Trean, as used in Horde Groupware Webmail Edition through 5.2.22 and other products, allows CSRF, as demonstrated…
CVE-2019-9858 — High (CVSS 8.8): Remote code execution was discovered in Horde Groupware Webmail 5.2.22 and 5.2.17. Horde/Form/Type.php contains a…

All CVEs affecting Horde Groupware →

Other CWE-79 (Cross-site Scripting (XSS)) vulnerabilities

CVE-2025-49410 — Critical (CVSS 10.0): Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Imran Emu TC…
CVE-2024-47875 — Critical (CVSS 10.0): DOMPurify is a DOM-only, super-fast, uber-tolerant XSS sanitizer for HTML, MathML and SVG. DOMpurify was vulnerable to…
CVE-2024-6886 — Critical (CVSS 10.0): Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Gitea…
CVE-2023-45144 — Critical (CVSS 10.0): com.xwiki.identity-oauth:identity-oauth-ui is a package to aid in building identity and service providers based on…
CVE-2023-45138 — Critical (CVSS 10.0): Change Request is an pplication allowing users to request changes on a wiki without publishing the changes directly.…
CVE-2022-4361 — Critical (CVSS 10.0): Keycloak, an open-source identity and access management solution, has a cross-site scripting (XSS) vulnerability in the…

Browse all CWE-79 (Cross-site Scripting (XSS)) vulnerabilities →