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GHSA-wc53-4255-gw3f

HighCVSS 7.7 / 10
Published Apr 4, 2025·Last modified Apr 4, 2025
Affected Components(0)

No affected components available

Description

Impact

If the JIRA macro is installed, any logged in XWiki user could edit his/her user profile wiki page and use that JIRA macro, specifying a fake JIRA URL that returns an XML specifying a DOCTYPE pointing to a local file on the XWiki server host and displaying that file's content in one of the returned JIRA fields (such as the summary or description for example).

For example:

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE foo [ <!ENTITY xxe SYSTEM "file:///etc/passwd"> ]>
<rss version="0.92">
...
    <item>
      <title>&xxe;</title>
      <link>https://jira.xwiki.org/browse/XE-307</link>
      <project id="10222" key="XE">{RETIRED} XWiki Enterprise</project>
      <description>&xxe;</description>
      <environment/>
...

Patches

The vulnerability has been patched in the JIRA Extension v8.6.5.

Workarounds

No easy workaround except to upgrade (which is easy using the XWiki Extension Manager).

References

  • https://github.com/xwiki-contrib/jira/commit/98a74c2a516b42689c73b13ecd94e9c1998fa9cb and https://github.com/xwiki-contrib/jira/commit/5049e352d16f8356734de70daf1202301f170ee6
  • https://jira.xwiki.org/browse/JIRA-49

For more information

If you have any questions or comments about this advisory:

Risk Scores
Base Score
7.7

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. No user interaction is needed for the attacker to exploit this vulnerability. The vulnerability can affect other systems as well, not just the initial system. There is a high impact on the confidentiality of the information.

Threat Intelligence
7.1

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

EPSS
0.37%

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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High severity
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