Security announcements

MSA-17-0017: XSS in contact form on "non-respondents" page in non-anonymous feedback

 
Picture of Marina Glancy
MSA-17-0017: XSS in contact form on "non-respondents" page in non-anonymous feedback
 

Form on the feedback "non-respondents" page does not escape the value of subject thus creating self-XSS. This can be used to attack another user by tricking them into opening malicious URL whilst in an open Moodle session


Severity/Risk: Minor
Versions affected: 3.3 to 3.3.1, 3.2 to 3.2.4, 3.1 to 3.1.7 and earlier unsupported versions
Versions fixed: 3.3.2, 3.2.5 and 3.1.8
Reported by: JPCERT/CC
CVE identifier: CVE-2017-12156
Changes (master): http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-59972
Tracker issue: MDL-59972 XSS in contact form on "non-respondents" page (mod_feedback)