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GHSA-f963-4cq8-2gw7

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

No affected components available

Description

Impact

A user without script/programming right can trick a user with elevated rights to edit a content with a malicious payload using a WYSIWYG editor. The user with elevated rights is not warned beforehand that they are going to edit possibly dangerous content. The payload is executed at edit time.

Patches

This vulnerability has been patched in XWiki 15.10RC1.

Workarounds

No workaround. It is advised to upgrade to XWiki 15.10+.

References

  • https://jira.xwiki.org/browse/XWIKI-20331
  • https://jira.xwiki.org/browse/XWIKI-21311
  • https://jira.xwiki.org/browse/XWIKI-21481
  • https://jira.xwiki.org/browse/XWIKI-21482
  • https://jira.xwiki.org/browse/XWIKI-21483
  • https://jira.xwiki.org/browse/XWIKI-21484
  • https://jira.xwiki.org/browse/XWIKI-21485
  • https://jira.xwiki.org/browse/XWIKI-21486
  • https://jira.xwiki.org/browse/XWIKI-21487
  • https://jira.xwiki.org/browse/XWIKI-21488
  • https://jira.xwiki.org/browse/XWIKI-21489
  • https://jira.xwiki.org/browse/XWIKI-21490

For more information

If you have any questions or comments about this advisory:

Attribution

This vulnerability has been reported on Intigriti by @floerer

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
0.64%

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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Critical severity
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