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Spam blacklist trivially circumvented using HTML comments
Closed, ResolvedPublic

Description

Author: mapellegrini

Description:
It is trivially easy to circumvent the spam blacklist by using an HTML comment
in the URL.

Example:
http://en.wikipedia.org/w/index.php?title=Wikipedia/Stable&diff=42542934&oldid=38860953
(Kapitalism.net is on the spam blacklist).


Version: unspecified
Severity: major

Details

Reference
bz5185

Event Timeline

bzimport raised the priority of this task from to Medium.Nov 21 2014, 9:07 PM
bzimport set Reference to bz5185.
bzimport added a subscriber: Unknown Object (MLST).

wiki.bugzilla wrote:

*** This bug has been marked as a duplicate of 4823 ***

De-duping this. These extensions don't share code and work differently,
so have to both be fixed separately.

robchur wrote:

Fixed in trunk, r13601.

mapellegrini wrote:

Example:
http://en.wikipedia.org/w/index.php?title=Talk:Wikitruth&diff=50327924&oldid=50318100

http:///www.foo.org (notice the three slashes) is also an effective work around.

robchur wrote:

Second exploit should now be fixed in trunk, r13912.