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GHSA-wcg9-pgqv-xm5v

CriticalCVSS 9 / 10
Published Aug 19, 2024·Last modified Aug 19, 2024
Affected Components(0)

No affected components available

Description

Impact

Is it possible for a user without Script or Programming rights to craft a URL pointing to a page with arbitrary JavaScript. This requires social engineer to trick a user to follow the URL.

Reproduction steps

  1. As a user without script or programming right, create a (non-terminal) document named " + alert(1) + " (the quotes need to be part of the name).
  2. Edit the class.
  3. Add a string property named "test".
  4. Edit using the object editor and add an object of the created class
  5. Get an admin to open <xwiki-server>/xwiki/bin/view/%22%20%2B%20alert(1)%20%2B%20%22/?viewer=display&type=object&property=%22%20%2B%20alert(1)%20%2B%20%22.WebHome.test&mode=edit where <xwiki-server> is the URL of your XWiki installation.

Patches

This has been patched in XWiki 14.10.21, 15.5.5, 15.10.6 and 16.0.0.

Workarounds

We're not aware of any workaround except upgrading.

References

  • https://jira.xwiki.org/browse/XWIKI-21810
  • https://github.com/xwiki/xwiki-platform/commit/27eca8423fc1ad177518077a733076821268509c
Risk Scores
Base Score
9.0

The vulnerability can be exploited over the network without needing physical access. It is easy for an attacker to exploit this vulnerability. An attacker needs basic access or low-level privileges. The attacker needs the user to perform some action, like clicking a link. The vulnerability can affect other systems as well, not just the initial system. There is a high impact on the confidentiality of the information. There is a high impact on the integrity of the data. There is a high impact on the availability of the system.

Threat Intelligence
8.2

Exploitation activity has been observed. Apply available patches or mitigations urgently.

EPSS
0.49%

The exploit probability is very low. The vulnerability is unlikely to be exploited in the next 30 days.

Exploit
Not available

We did not find any exploit available. Neither in GitHub repositories nor in the Exploit-Database.

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