CVE-2009-3018 Cross-site scripting in n/a

Medium 4.3 Published 31 Aug 2009 Updated 7 Aug 2024

Remote attackers can execute arbitrary JavaScript via crafted HTTP headers in Maxthon Browser, requiring user interaction to trigger the vulnerability.

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-2009-3018?

CVE-2009-3018 is a medium-severity cross-site scripting vulnerability in n/a, published on 31 Aug 2009. 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

Maxthon Browser 3.0.0.145 Alpha with Ultramode does not properly block javascript: and data: URIs in Refresh headers in HTTP responses, which allows remote attackers to conduct cross-site scripting (XSS) attacks via vectors related to (1) injecting a Refresh header that contains a javascript: URI, (2) entering a javascript: URI when specifying the content of a Refresh header, (3) injecting a Refresh header that contains JavaScript sequences in a data:text/html URI, or (4) entering a data:text/html URI with JavaScript sequences when specifying the content of a Refresh header; does not properly block data: URIs in Location headers in HTTP responses, which allows user-assisted remote attackers to conduct cross-site scripting (XSS) attacks via vectors related to (5) injecting a Location header that contains JavaScript sequences in a data:text/html URI or (6) entering a data:text/html URI with JavaScript sequences when specifying the content of a Location header; and does not properly handle javascript: URIs in HTML links within (a) 301 and (b) 302 error documents sent from web servers, which allows user-assisted remote attackers to conduct cross-site scripting (XSS) attacks via vectors related to (7) injecting a Location HTTP response header or (8) specifying the content of a Location HTTP response header.

Weakness: CWE-79

Which versions are affected by CVE-2009-3018?

It affects 1 product.

Products include Maxthon Maxthon Browser.

How do I fix CVE-2009-3018?

No fix has been published for CVE-2009-3018 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-2009-3018 being exploited?

There is no known exploitation of CVE-2009-3018 in the wild and no public exploit code.

Sources

Also known as GHSA-v78g-r5jj-c2v7.