CVE-2023-29526: Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')

April 20, 2023

XWiki Platform is a generic wiki platform offering runtime services for applications built on top of it. In affected versions it’s possible to display or interact with any page a user cannot access through the combination of the async and display macros. A comment with either macro will be executed when viewed providing a code injection vector in the context of the running server. This vulnerability has been patched in XWiki 15.0-rc-1, 14.10.3, 14.4.8, and 13.10.11. Users are advised to upgrade. There are no known workarounds for this issue.

References

github.com/advisories/GHSA-gpq5-7p34-vqx5
github.com/xwiki/xwiki-platform/security/advisories/GHSA-gpq5-7p34-vqx5
jira.xwiki.org/browse/XRENDERING-694
jira.xwiki.org/browse/XWIKI-20394
nvd.nist.gov/vuln/detail/CVE-2023-29526

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