XWiki Vulnerability in Notification Email Renderer Class
CVE-2025-49583

5.1MEDIUM

Key Information:

Vendor

Xwiki
Status
Xwiki-platform
Vendor
CVE Published:
13 June 2025

What is CVE-2025-49583?

A vulnerability in the XWiki platform allows users without script rights to create documents containing an 'XWiki.Notifications.Code.NotificationEmailRendererClass' object. When an administrator later edits and saves this document, the email templates embedded within the object can be exploited to send unsolicited emails, potentially containing phishing links. Although no malicious code can be executed due to existing safeguards that alert admins before editing Velocity code, the risk remains that unsuspecting users could receive unsolicited communications. This issue was addressed in versions 16.10.2, 16.4.7, and 15.10.16, which introduced enhanced analysis of XClass properties.

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Deploy the Patch

Affected Version(s)

xwiki-platform < 15.10.16 < 15.10.16

xwiki-platform >= 16.0.0-rc-1, < 16.4.7 < 16.0.0-rc-1, 16.4.7

xwiki-platform >= 16.5.0-rc-1, < 16.10.2 < 16.5.0-rc-1, 16.10.2

References

https://github.com/xwiki/xwiki-platform/security/advisori...
x_refsource_CONFIRM
https://github.com/xwiki/xwiki-platform/commit/3d96bf3ceb...
x_refsource_MISC
https://jira.xwiki.org/browse/XWIKI-22471
x_refsource_MISC

CVSS V4

Score:
5.1
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
Unknown

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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