Bug 1939037 (CVE-2021-20280) - CVE-2021-20280 moodle: Stored XSS and blind SSRF possible via feedback answer text
Summary: CVE-2021-20280 moodle: Stored XSS and blind SSRF possible via feedback answer...
Keywords:
Status: CLOSED UPSTREAM
Alias: CVE-2021-20280
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
high
high
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 1939038 1939039
Blocks: 1939056
TreeView+ depends on / blocked
 
Reported: 2021-03-15 13:49 UTC by Pedro Sampaio
Modified: 2021-03-16 18:24 UTC (History)
3 users (show)

Fixed In Version: moodle 3.10.2, moodle 3.9.5, moodle 3.8.8, moodle 3.5.17
Clone Of:
Environment:
Last Closed: 2021-03-15 17:25:56 UTC
Embargoed:

Attachments (Terms of Use)

Description Pedro Sampaio 2021-03-15 13:49:21 UTC 
Text-based feedback answers required additional sanitizing to prevent stored XSS and blind SSRF risks.

References:

https://moodle.org/mod/forum/discuss.php?d=419651
Comment 1 Pedro Sampaio 2021-03-15 13:49:26 UTC 
External References:

https://moodle.org/mod/forum/discuss.php?d=419651
Comment 2 Pedro Sampaio 2021-03-15 13:49:56 UTC 
Created moodle tracking bugs for this issue:

Affects: epel-all [bug 1939038]
Affects: fedora-all [bug 1939039]
Comment 3 Product Security DevOps Team 2021-03-15 17:25:56 UTC 
This CVE Bugzilla entry is for community support informational purposes only as it does not affect a package in a commercially supported Red Hat product. Refer to the dependent bugs for status of those individual community products.
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