CVE-2012-2237 Cross-site scripting in Mahara

What is CVE-2012-2237?

CVE-2012-2237 is a medium-severity cross-site scripting vulnerability in Debian Debian Linux, published on 13 Nov 2019. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

Multiple cross-site scripting (XSS) vulnerabilities in Mahara 1.4.x before 1.4.3 and 1.5.x before 1.5.2 allow remote attackers to inject arbitrary web script or HTML via vectors related to (1) javascript innerHTML as used when generating login forms, (2) links or (3) resources URLs, and (4) the Display name in a user profile.

Weakness: CWE-79

Which versions are affected by CVE-2012-2237?

It affects 2 products.

Products include Debian Debian Linux, Mahara Mahara.

How do I fix CVE-2012-2237?

Upgrade to a fixed version.

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-2012-2237 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2012-2237 exists.

Public exploit code: 1 Exploit-DB entry.

Other vulnerabilities in Debian Debian Linux

• CVE-2015-3306 ProFTPD Improper Access Control Exploited Critical 10.0
• CVE-2025-49113 RoundCube Webmail Deserialization of Untrusted Data Exploited Critical 9.9
• CVE-2026-24061 GNU InetUtils Argument Injection Exploited Critical 9.8
• CVE-2025-39682 Linux Kernel Improper Check for Unusual or Exceptional Conditions Exploited Critical 9.8
• CVE-2024-9680 Mozilla Firefox Use-After-Free Exploited Critical 9.8

All Debian Debian Linux vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as DSA-2540-1, GHSA-w8q2-462v-r883.