CVE-2013-4106 Cross-site scripting in Cryptocat

What is CVE-2013-4106?

CVE-2013-4106 is a medium-severity cross-site scripting vulnerability in Cryptocat, published on 14 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

A Cross-site scripting (XSS) vulnerability exists in Conversation Overview Nickname in Cryptocat before 2.0.22.

Weakness: CWE-79

Which versions are affected by CVE-2013-4106?

It affects 1 product.

Products include Cryptocat Project Cryptocat.

How do I fix CVE-2013-4106?

No fix has been published for CVE-2013-4106 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-2013-4106 being exploited?

There is no known exploitation of CVE-2013-4106 in the wild and no public exploit code.

Other vulnerabilities in Cryptocat

• CVE-2013-4108 Multiple unspecified vulnerabilities in Cryptocat Project Cryptocat 2.0.18 have unknown impact and attack vectors. Critical 9.8
• CVE-2013-2259 Code injection in Cryptocat Critical 9.8
• CVE-2013-2260 Weak cryptography in Cryptocat Critical 9.8
• CVE-2013-4103 Cross-site scripting in n/a Critical 9.8
• CVE-2013-4102 Weak cryptography in n/a Critical 9.1

Sources

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

Also known as GHSA-w6ww-rjpp-j73g.