Bug 1939033 (CVE-2021-20279) - CVE-2021-20279 moodle: Stored XSS via ID number user profile field
Summary: CVE-2021-20279 moodle: Stored XSS via ID number user profile field
Keywords:
Status: CLOSED UPSTREAM
Alias: CVE-2021-20279
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: 1939034 1939035
Blocks: 1939056
TreeView+ depends on / blocked
 
Reported: 2021-03-15 13:47 UTC by Pedro Sampaio
Modified: 2021-03-16 18:38 UTC (History)
3 users (show)

Fixed In Version: moodle 3.10.2, moodle 3.9.5, moodle 3.8.8, moodle 3.5.17
Doc Type: ---
Doc Text:
A flaw was found in moodle. The ID number user profile field requires additional sanitizing to prevent a stored XSS risk.
Clone Of:
Environment:
Last Closed: 2021-03-15 17:25:54 UTC
Embargoed:

Attachments (Terms of Use)

Description Pedro Sampaio 2021-03-15 13:47:39 UTC 
The ID number user profile field required additional sanitizing to prevent a stored XSS risk.

References:

https://moodle.org/mod/forum/discuss.php?d=419650
Comment 1 Pedro Sampaio 2021-03-15 13:47:43 UTC 
External References:

https://moodle.org/mod/forum/discuss.php?d=419650
Comment 2 Pedro Sampaio 2021-03-15 13:48:12 UTC 
Created moodle tracking bugs for this issue:

Affects: epel-all [bug 1939034]
Affects: fedora-all [bug 1939035]
Comment 3 Product Security DevOps Team 2021-03-15 17:25:54 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.
Comment 5 Eric Christensen 2021-03-16 18:22:52 UTC 
Mitigation:

Disable the ID number field by unchecking it in Site admin > Users > User policies > Show user identity, until the patch has been applied.
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