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CVE-2023-26472

XWiki Platform vulnerable to privilege escalation via async macro and IconThemeSheet from the user profile

10.0 CriticalFix available

XWiki Platform is a generic wiki platform. Starting in version 6.2-milestone-1, one can execute any wiki content with the right of IconThemeSheet author by creating an icon theme with certain content. This can be done by creating a new page or even through the user profile for users not having edit right. The issue has been patched in XWiki 14.9, 14.4.6, and 13.10.10. An available workaround is to fix the bug in the page IconThemesCode.IconThemeSheet by applying a modification from commit 48caf7491595238af2b531026a614221d5d61f38.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
Low
User interaction
None

What an attacker can affect

Confidentiality
High
Integrity
High
Availability
High

Exploit likelihood

1.11%Up 0.2 points since Mar 3, 2023
90%50%10%1%

What each source reports

CVE List Score used 10.0

XWiki Platform vulnerable to privilege escalation via async macro and IconThemeSheet from the user profile

XWiki Platform is a generic wiki platform. Starting in version 6.2-milestone-1, one can execute any wiki content with the right of IconThemeSheet author by creating an icon theme with certain content. This can be done by creating a new page or even through the user profile for users not having edit right. The issue has been patched in XWiki 14.9, 14.4.6, and 13.10.10. An available workaround is to fix the bug in the page IconThemesCode.IconThemeSheet by applying a modification from commit 48caf7491595238af2b531026a614221d5d61f38.

Record
CVE-2023-26472
CVSS 3.1
10.0 CriticalCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Weakness
CWE-116
Updated
2026-11-02
EUVDEUVD-2023-1122 10.0

XWiki Platform is a generic wiki platform. Starting in version 6.2-milestone-1, one can execute any wiki content with the right of IconThemeSheet author by creating an icon theme with certain content. This can be done by creating a new page or even through the user profile for users not having edit right. The issue has been patched in XWiki 14.9, 14.4.6, and 13.10.10. An available workaround is to fix the bug in the page IconThemesCode.IconThemeSheet by applying a modification from commit 48caf7491595238af2b531026a614221d5d61f38.

Record
EUVD-2023-1122
CVSS 3.1
10.0 CriticalCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Updated
2026-11-02
GitHub AdvisoriesGHSA-vwr6-qp4q-2wj7 9.9

XWiki Platform vulnerable to privilege escalation via async macro and IconThemeSheet from the user profile

Impact

One can execute any wiki content with the right of IconThemeSheet author by creating an icon theme with the following content:

}}}
{{async async="true"}}
{{groovy}}
  println("Hello from Groovy!")
{{/groovy}}
{{/async}}
{{{

Can be done by creating a new page or even through the user profile for users not having edit right.

Patches

This has been patched in XWiki 14.9, 14.4.6, and 13.10.10.

Workarounds

An easy workaround is to actually fix the bug in the page IconThemesCode.IconThemeSheet by applying the following modification: https://github.com/xwiki/xwiki-platform/commit/48caf7491595238af2b531026a614221d5d61f38#diff-2ec9d716673ee049937219cdb0a92e520f81da14ea84d144504b97ab2bdae243R45

References

https://jira.xwiki.org/browse/XWIKI-19731

For more information

If you have any questions or comments about this advisory:

  • Open an issue in Jira
  • Email us at Security ML
Record
GHSA-vwr6-qp4q-2wj7
CVSS 3.1
9.9 CriticalCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Weakness
CWE-116
Updated
2026-11-02
NVD 9.9

XWiki Platform is a generic wiki platform. Starting in version 6.2-milestone-1, one can execute any wiki content with the right of IconThemeSheet author by creating an icon theme with certain content. This can be done by creating a new page or even through the user profile for users not having edit right. The issue has been patched in XWiki 14.9, 14.4.6, and 13.10.10. An available workaround is to fix the bug in the page IconThemesCode.IconThemeSheet by applying a modification from commit 48caf7491595238af2b531026a614221d5d61f38.

Record
CVE-2023-26472
CVSS 3.1
9.9 CriticalCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
CVSS 3.1
8.8 HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness
CWE-116
Updated
2026-11-02
OSV 9.9

XWiki Platform vulnerable to privilege escalation via async macro and IconThemeSheet from the user profile

XWiki Platform is a generic wiki platform. Starting in version 6.2-milestone-1, one can execute any wiki content with the right of IconThemeSheet author by creating an icon theme with certain content. This can be done by creating a new page or even through the user profile for users not having edit right. The issue has been patched in XWiki 14.9, 14.4.6, and 13.10.10. An available workaround is to fix the bug in the page IconThemesCode.IconThemeSheet by applying a modification from commit 48caf7491595238af2b531026a614221d5d61f38.

Record
CVE-2023-26472
CVSS 3.1
9.9 CriticalCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Weakness
CWE-116
Updated
2026-11-11
OSVGHSA-vwr6-qp4q-2wj7 9.9

XWiki Platform vulnerable to privilege escalation via async macro and IconThemeSheet from the user profile

Impact

One can execute any wiki content with the right of IconThemeSheet author by creating an icon theme with the following content:

}}}
{{async async="true"}}
{{groovy}}
  println("Hello from Groovy!")
{{/groovy}}
{{/async}}
{{{

Can be done by creating a new page or even through the user profile for users not having edit right.

Patches

This has been patched in XWiki 14.9, 14.4.6, and 13.10.10.

Workarounds

An easy workaround is to actually fix the bug in the page IconThemesCode.IconThemeSheet by applying the following modification: https://github.com/xwiki/xwiki-platform/commit/48caf7491595238af2b531026a614221d5d61f38#diff-2ec9d716673ee049937219cdb0a92e520f81da14ea84d144504b97ab2bdae243R45

References

https://jira.xwiki.org/browse/XWIKI-19731

For more information

If you have any questions or comments about this advisory:

  • Open an issue in Jira
  • Email us at Security ML
Record
GHSA-vwr6-qp4q-2wj7
CVSS 3.1
9.9 CriticalCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Weakness
CWE-116
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
org.xwiki.platform:xwiki-platform-icon-ui
Maven
 6.2-milestone-1 up to 13.10.10
13.10.10
org.xwiki.platform:xwiki-platform-icon-ui
Maven
 14.0 up to 14.4.6
14.4.6
org.xwiki.platform:xwiki-platform-icon-ui
Maven
 14.5 up to 14.9
14.9

History

History
RecordedChangedSources
factsOSV
first indexedCVE List, EUVD, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2023-26472 is a critical vulnerability (CVSS 10.0) in Xwiki, published March 2, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.11%, the 66th percentile. Fixed in org.xwiki.platform:xwiki-platform-icon-ui 13.10.10.

References

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