CVE-2012-5567 Cross-site scripting in n/a

Medium 4.3 Published 5 Apr 2014 Updated 6 Aug 2024

Remote attackers can inject arbitrary web script via crafted event location parameters in Horde Kronolith Calendar, potentially stealing user data or sessions.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Over the internet
Victim action needed: A user has to click or open something
Fix: None listed

What is CVE-2012-5567?

CVE-2012-5567 is a medium-severity cross-site scripting vulnerability in n/a, published on 5 Apr 2014. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

Official 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.

Weakness: CWE-79

Which versions are affected by CVE-2012-5567?

It affects 2 products.

Products include Horde Groupware, Horde Kronolith H4.

How do I fix CVE-2012-5567?

No fix has been published for CVE-2012-5567 yet. Limit exposure of the affected software until one is available.

Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.

Is CVE-2012-5567 being exploited?

There is no known exploitation of CVE-2012-5567 in the wild and no public exploit code.

Sources

Also known as GHSA-6v37-hg26-pvmr.