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.
CVE-2012-5567
NONECVSS 0.0
0.0
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
- No confirmed exploitation signals yet
CISA-KEV: Not listedEPSS: 2%CVSS: —Exploit: NoneExposed: 0
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- —
- EG Score
- 0.0(none)
- EPSS
- 82.5%
- KEV
- Not listed
Published
April 5, 2014
Last Modified
May 6, 2026
References (22)
- secalert@redhathttp://git.horde.org/horde-git/-/commit/d865c564beb6e98532880aa51a04a79f3311cd1e
- secalert@redhathttp://lists.horde.org/archives/announce/2012/000836.html
- secalert@redhathttp://lists.opensuse.org/opensuse-updates/2012-12/msg00019.html
- secalert@redhathttp://secunia.com/advisories/51233
- secalert@redhathttp://secunia.com/advisories/51469
- secalert@redhathttp://www.openwall.com/lists/oss-security/2012/11/23/3
- secalert@redhathttp://www.openwall.com/lists/oss-security/2012/11/23/7
- secalert@redhathttp://www.osvdb.org/87345
- secalert@redhathttp://www.securityfocus.com/bid/56541
- secalert@redhathttps://bugzilla.redhat.com/show_bug.cgi?id=879684
- secalert@redhathttps://github.com/horde/horde/blob/d3dda2d47fad7eb128a0091e732cded0c2601009/kronolith/docs/CHANGES
- af854a3a-2127-422b-91ae-364da2661108http://git.horde.org/horde-git/-/commit/d865c564beb6e98532880aa51a04a79f3311cd1e
- af854a3a-2127-422b-91ae-364da2661108http://lists.horde.org/archives/announce/2012/000836.html
- af854a3a-2127-422b-91ae-364da2661108http://lists.opensuse.org/opensuse-updates/2012-12/msg00019.html
- af854a3a-2127-422b-91ae-364da2661108http://secunia.com/advisories/51233
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Frequently asked(4)
What is CVE-2012-5567?
CVE-2012-5567 is a none vulnerability published on April 5, 2014. 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,…
When was CVE-2012-5567 disclosed?
CVE-2012-5567 was first published in the National Vulnerability Database on April 5, 2014, with the most recent update on May 6, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2012-5567 actively exploited?
CVE-2012-5567 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 82.5% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
How do I remediate CVE-2012-5567?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2012-5567, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.
Dependency Blast Radius
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