CVE-2012-1858 Cross-site scripting in n/a
Remote attackers can bypass HTML sanitization in Internet Explorer to execute cross-site scripting attacks via crafted documents.
- 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
- None listed
What is CVE-2012-1858?
CVE-2012-1858 is a medium-severity cross-site scripting vulnerability in Microsoft Internet Explorer, published on 12 Jun 2012. 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
The toStaticHTML API (aka the SafeHTML component) in Microsoft Internet Explorer 8 and 9, Communicator 2007 R2, and Lync 2010 and 2010 Attendee does not properly handle event attributes and script, which makes it easier for remote attackers to conduct cross-site scripting (XSS) attacks via a crafted HTML document, aka "HTML Sanitization Vulnerability."
Weakness: CWE-200
Which versions are affected by CVE-2012-1858?
It affects 3 products.
Products include Microsoft Internet Explorer, Microsoft Lync, Microsoft Office Communicator.
How do I fix CVE-2012-1858?
No fix has been published for CVE-2012-1858 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-2012-1858 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2012-1858 exists.
Public exploit code: 1 Exploit-DB entry.
Other vulnerabilities in Microsoft Internet Explorer
- CVE-2014-1776 Microsoft Internet Explorer Memory Corruption
- CVE-2021-27085 Microsoft Internet Explorer Remote Code Execution
- CVE-2017-0222 Microsoft Internet Explorer Remote Code Execution
- CVE-2017-0210 Microsoft Internet Explorer Privilege Escalation
- CVE-2017-0149 Microsoft Internet Explorer Memory Corruption
Sources
Also known as GHSA-w5mr-v466-jmjm.