Bug 2373833 (CVE-2025-49513)

Summary:	CVE-2025-49513 moodle: Password can be revealed in login page after log out due to caching
Product:	[Other] Security Response	Reporter:	OSIDB Bzimport <bzimport>
Component:	vulnerability	Assignee:	Product Security DevOps Team <prodsec-dev>
Status:	NEW ---	QA Contact:
Severity:	medium	Docs Contact:
Priority:	medium
Version:	unspecified	Keywords:	Security
Target Milestone:	---
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:		Doc Type:	---
Doc Text:	A vulnerability was found in Moodle. Additional cache controls were required to prevent web browsers from caching a user's password on the login page. Note that accessing this requires access to the web browser on the device where the user has logged in.	Story Points:	---
Clone Of:		Environment:
Last Closed:		Type:	---
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
Verified Versions:		Category:	---
oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:
Bug Depends On:	2373855, 2373856
Bug Blocks:

Description OSIDB Bzimport 2025-06-19 08:38:15 UTC

Additional cache controls were required to prevent web browsers caching a user's password on the login page (note accessing this would require access to the web browser on the device where the user had logged in).

Versions affected: 5.0, 4.5 to 4.5.4, 4.4 to 4.4.8, 4.1 to 4.1.18 and earlier unsupported versions

Versions fixed:	5.0.1, 4.5.5, 4.4.9 and 4.1.19

https://moodle.org/mod/forum/discuss.php?d=468501
http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-85323