CVE-2011-2023 Cross-site scripting in n/a
Remote attackers can inject arbitrary web script via crafted email STYLE elements, potentially compromising user sessions in SquirrelMail.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2011-2023?
CVE-2011-2023 is a medium-severity cross-site scripting vulnerability in Squirrelmail Squirrelmail, published on 14 Jul 2011. 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
Cross-site scripting (XSS) vulnerability in functions/mime.php in SquirrelMail before 1.4.22 allows remote attackers to inject arbitrary web script or HTML via a crafted STYLE element in an e-mail message.
Weakness: CWE-79
Which versions are affected by CVE-2011-2023?
It affects 1 product.
Products include Squirrelmail Squirrelmail.
How do I fix CVE-2011-2023?
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-2011-2023 being exploited?
There is no known exploitation of CVE-2011-2023 in the wild and no public exploit code.
Other vulnerabilities in Squirrelmail Squirrelmail
Sources
Also known as GHSA-p9fx-gwhc-6m8m.