High severity · published Mar 2, 2023
CVE-2023-26471
XWiki Platform users may execute anything with superadmin right through comments and async macro
8.8
CVSS
0.9%
EPSS
No
On KEV
Description
XWiki Platform is a generic wiki platform. Starting in version 11.6-rc-1, comments are supposed to be executed with the right of superadmin but in restricted mode (anything dangerous is disabled), but the async macro does not take into account the restricted mode. This means that any user with comment right can use the async macro to make it execute any wiki content with the right of superadmin. This has been patched in XWiki 14.9, 14.4.6, and 13.10.10. The only known workaround consists of applying a patch and rebuilding and redeploying `org.xwiki.platform:xwiki-platform-rendering-async-macro`.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.9% · higher than 60% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
XW
xwiki-platform · xwiki
>= 11.6-rc-1, < 13.10.10; >= 14.0, < 14.4.6; >= 14.5, < 14.9 · source: vendor
XW
Xwiki · Xwiki
11.6 before 13.10.10; 14.0 before 14.4.6; 14.5 before 14.9; 11.6 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-26471
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-26471
Patch
https://github.com/xwiki/xwiki-platform/commit/00532d9f1404287cf3ec3a05056640d809516006
Vendor Advisory
https://github.com/xwiki/xwiki-platform/security/advisories/GHSA-9cqm-5wf7-wcj7
Exploit
https://jira.xwiki.org/browse/XWIKI-20234
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