** Changed in: mahara/15.04
Status: Fix Committed => Fix Released
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https://bugs.launchpad.net/bugs/1472439
Title:
XSS in "add to watchlist" link on artefact detail screen
Status in Mahara ePortfolio:
Fix Committed
Status in Mahara 1.10 series:
Fix Released
Status in Mahara 1.8 series:
Won't Fix
Status in Mahara 1.9 series:
Fix Released
Status in Mahara 15.04 series:
Fix Released
Status in Mahara 15.10 series:
Fix Committed
Bug description:
On artefact detail screens, when we you click on the "add to
watchlist" link, we use AJAX to update the link to read "remove from
watchlist". But, we are not properly escaping the page title in that
AJAX, which makes it possible to execute Javascript that has been
placed in the page title.
To replicate:
1. Create a portfolio Page
2. Give the page this title:
"><img src=0 onerror=alert(location)>
3. Put an image block in the page.
4. View the page in display mode.
5. Click on the link to view the artefact detail screen for the image
6. At the bottom of the artefact detail screen, click on the link that reads
"Add page ""><img src=0 onerror=alert(location)>" to watchlist" or "Remove page
""><img src=0 onerror=alert(location)>" to watchlist"
Expected result: The page should be added or removed from your
watchlist, and the link title should show the HTML-escaped version of
the page title.
Actual result: The page is added or removed from your watchlist, but
the link title is not HTML-escaped and Javascript "alert(location)"
executes.
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