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The "Forgot your password?" form offers too much information concerning user accounts

Moderate
tmortagne published GHSA-35fg-hjcr-j65f Feb 9, 2022

Package

maven org.xwiki.platform:xwiki-platform-web (Maven)

Affected versions

< 12.10.9, < 13.4.1, < 13.6RC1

Patched versions

12.10.9, 13.4.1, 13.6RC1

Description

Impact

It's possible to guess if a user has an account on the wiki by using the "Forgot your password" form, even if the wiki is closed to guest users.

Patches

The problem has been patched on XWiki 12.10.9, 13.4.1 and 13.6RC1.

Workarounds

There's no easy workaround other than applying the upgrade.

References

https://jira.xwiki.org/browse/XWIKI-18787

For more information

If you have any questions or comments about this advisory:

Severity

Moderate

CVSS overall score

This score calculates overall vulnerability severity from 0 to 10 and is based on the Common Vulnerability Scoring System (CVSS).
/ 10

CVSS v3 base metrics

Attack vector
Network
Attack complexity
Low
Privileges required
None
User interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
None

CVSS v3 base metrics

Attack vector: More severe the more the remote (logically and physically) an attacker can be in order to exploit the vulnerability.
Attack complexity: More severe for the least complex attacks.
Privileges required: More severe if no privileges are required.
User interaction: More severe when no user interaction is required.
Scope: More severe when a scope change occurs, e.g. one vulnerable component impacts resources in components beyond its security scope.
Confidentiality: More severe when loss of data confidentiality is highest, measuring the level of data access available to an unauthorized user.
Integrity: More severe when loss of data integrity is the highest, measuring the consequence of data modification possible by an unauthorized user.
Availability: More severe when the loss of impacted component availability is highest.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

CVE ID

CVE-2022-23619

Weaknesses