CVE-2025-65090: XWiki Full Calendar Macro vulnerable to data leak through Calendar.JSONService

Published Jan 9, 2026
·
Updated

Impact Anyone who has view rights on the Calendar.JSONService page, including guest users can exploit this vulnerability by accessing database info, with the exception of passwords.

Workarounds Remove the Calendar.JSONService page. This will however break some functionalities.

References

Jira issue: FULLCAL-82: Calendar.JSONService exposes emails of all users

For more information

If you have any questions or comments about this advisory: Open an issue in Jira XWiki.org Email us at Security Mailing List

Other sources

XWiki Full Calendar Macro displays objects from the wiki on the calendar. Prior to version 2.4.6, users with the rights to view the Calendar.JSONService page (including guest users) can exploit the data leak vulnerability by accessing database info, with the exception of passwords. This issue has been patched in version 2.4.6.

MITRE

Affected Software

2 affected componentsFixes available
maven/org.xwiki.contrib:macro-fullcalendar-pom<=2.4.5
2.4.6
XWiki Full Calendar Macro Xwiki<2.4.6

Event History

Jan 9, 2026
Advisory Published
via GitHub·06:35 PM
Data Sourced
via GitHub·06:35 PM
DescriptionSeverityWeaknessAffected Software
Jan 10, 2026
CVE Published
via MITRE·03:05 AM
Data Sourced
via MITRE·03:05 AM
DescriptionSeverityWeakness
Data Sourced
via NVD·04:16 AM
DescriptionSeverityWeakness
Data Sourced
via NVD·04:16 AM
RemedyAffected Software
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Frequently Asked Questions

1

What is the severity of CVE-2025-65090?

CVE-2025-65090 is a vulnerability that allows unauthorized access to sensitive database information for users with view rights on the Calendar.JSONService page.

2

How do I fix CVE-2025-65090?

To resolve CVE-2025-65090, you should remove the Calendar.JSONService page, but be aware this may break some functionalities.

3

Who is affected by CVE-2025-65090?

CVE-2025-65090 affects users with view rights, including guest users, who can exploit the vulnerability.

4

What information can be accessed through CVE-2025-65090?

CVE-2025-65090 allows access to database information, excluding passwords.

5

What versions of the software are vulnerable to CVE-2025-65090?

CVE-2025-65090 affects versions of the org.xwiki.contrib:macro-fullcalendar-pom package up to version 2.4.5.

Contact

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