CVE-2011-0508 Cross-site scripting in n/a

What is CVE-2011-0508?

CVE-2011-0508 is a medium-severity cross-site scripting vulnerability in n/a, published on 20 Jan 2011. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Cross-site scripting (XSS) vulnerability in system/modules/comments/Comments.php in Contao CMS 2.9.2, and possibly other versions before 2.9.3, allows remote attackers to inject arbitrary web script or HTML via the HTTP X_FORWARDED_FOR header, which is stored by system/libraries/Environment.php but not properly handled by a comments action to main.php.

Weakness: CWE-79

Which versions are affected by CVE-2011-0508?

It affects 1 product.

Products include Contao Contao Cms.

How do I fix CVE-2011-0508?

No fix has been published for CVE-2011-0508 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-2011-0508 being exploited?

There is no known exploitation of CVE-2011-0508 in the wild and no public exploit code.

Other vulnerabilities in n/a

• CVE-2014-1860 Deserialization in n/a Critical 9.8
• CVE-2017-16558 Contao SQL injection in the backend and listing module Critical 9.8
• CVE-2019-10641 Contao Does Not Invalidate Existing Sessions When Password Changes Critical 9.8
• CVE-2019-10643 Contao Does Not Expire Tokens Correctly Critical 9.8
• CVE-2019-10642 Contao CSRF Token Bypass High 8.8

Sources

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

Also known as GHSA-gfg7-fg26-2g7j.