CVE-2010-2479 HTML Purifier Cross-site Scripting (XSS) vulnerability
Remote attackers can inject arbitrary web script or HTML via unspecified vectors in Internet Explorer, affecting applications using HTML Purifier.
- 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-2010-2479?
CVE-2010-2479 is a medium-severity cross-site scripting vulnerability in Mahara Mahara, published on 6 Jul 2010. 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 HTML Purifier before 4.1.1, as used in Mahara and other products, when the browser is Internet Explorer, allows remote attackers to inject arbitrary web script or HTML via unspecified vectors.
Weakness: CWE-79
Which versions are affected by CVE-2010-2479?
2 open source packages ship an affected version, including ezyang/htmlpurifier. It affects 2 products.
| Package | Affected | Fixed in |
|---|---|---|
ezyang/htmlpurifier Packagist | All versions | 4.1.1 |
ezyang/htmlpurifier Packagist | All versions | 4.1.1 |
Products include Htmlpurifier Htmlpurifier, Mahara Mahara.
How do I fix CVE-2010-2479?
Upgrade ezyang/htmlpurifier to 4.1.1 or later.
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-2010-2479 being exploited?
There is no known exploitation of CVE-2010-2479 in the wild and no public exploit code.
Other vulnerabilities in Mahara Mahara
Sources
Also known as DEBIAN-CVE-2010-2479, GHSA-6rm6-mjmh-86jq.