CVE-2010-4045 Cross-site scripting in n/a

Critical 9.3 Published 21 Oct 2010 Updated 7 Aug 2024

Remote attackers can spoof the address bar, execute cross-site scripting, and potentially run arbitrary code via script interaction flaws in Opera.

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-2010-4045?

CVE-2010-4045 is a critical cross-site scripting vulnerability in Opera Opera Browser, published on 21 Oct 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

Opera before 10.63 does not properly restrict web script in unspecified circumstances involving reloads and redirects, which allows remote attackers to spoof the Address Bar, conduct cross-site scripting (XSS) attacks, and possibly execute arbitrary code by leveraging the ability of a script to interact with a web page from (1) a different domain or (2) a different security context.

Weakness: CWE-264

Which versions are affected by CVE-2010-4045?

It affects 1 product.

Products include Opera Opera Browser.

How do I fix CVE-2010-4045?

No fix has been published for CVE-2010-4045 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-2010-4045 being exploited?

There is no known exploitation of CVE-2010-4045 in the wild and no public exploit code.

All Opera Opera Browser vulnerabilities

Sources

Also known as GHSA-mp32-2fr5-7fpp.