[jbossseam-issues] [JBoss JIRA] Closed: (JBSEAM-2204) Potential XSS issue in seam text with allowed href attribute
Christian Bauer (JIRA)
jira-events at lists.jboss.org
Mon Nov 12 02:42:44 EST 2007
[ http://jira.jboss.com/jira/browse/JBSEAM-2204?page=all ]
Christian Bauer closed JBSEAM-2204.
-----------------------------------
Fix Version/s: 2.0.1.GA
Resolution: Done
Resolved this (I hope) by not allowing double or single quotes in HTML attribute values. This should prevent attribute-based attacks, such as simply embedding Javascript in the HREF attribute.
Also removed the <embed> and <object> tags from the allowed list, these would open up XSS holes by executing Flash movies in the page context.
> Potential XSS issue in seam text with allowed href attribute
> ------------------------------------------------------------
>
> Key: JBSEAM-2204
> URL: http://jira.jboss.com/jira/browse/JBSEAM-2204
> Project: JBoss Seam
> Issue Type: Bug
> Components: Wiki
> Affects Versions: 2.0.0.GA
> Reporter: Christian Bauer
> Assigned To: Christian Bauer
> Priority: Critical
> Fix For: 2.0.1.GA
>
>
> We allow <a href="foo"/> in Seam Text, which can potentially be abused to inject Javascript executed in the context of the page. Need to evaluate impact of leaving or removing.
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