CVE-2023-26470

Name: CVE-2023-26470
Creator: NVD / NIST
Published: 2023-03-02T19:15:11.05+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 0.85%

Last modified Jun 17, 2026

CVE-2023-26470 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. XWiki Platform is a generic wiki platform offering runtime services for applications built on top of it. It's possible to make the farm unusable by adding an object to a page with a huge number (e.g. EPSS estimates a 0.85% chance of exploitation in the next 30 days.

Description

XWiki Platform is a generic wiki platform offering runtime services for applications built on top of it. It's possible to make the farm unusable by adding an object to a page with a huge number (e.g. 67108863). Most of the time this will fill the memory allocated to XWiki and make it unusable every time this document is manipulated. This issue has been patched in XWiki 14.0-rc-1.

Metrics

CVSS 3.1

7.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS Probability

0.85%

53.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Xwiki	Xwiki	< 14.0

References

https://github.com/xwiki/xwiki-platform/commit/04e5a89d2879b160cdfaea846024d3d9c1a525e6Patch
https://github.com/xwiki/xwiki-platform/commit/db3d1c62fc5fb59fefcda3b86065d2d362f55164Patch
https://github.com/xwiki/xwiki-platform/commit/fdfce062642b0ac062da5cda033d25482f4600faPatch
https://github.com/xwiki/xwiki-platform/security/advisories/GHSA-92wp-r7hm-42g7Exploit, Vendor Advisory
https://jira.xwiki.org/browse/XWIKI-19223Exploit, Issue Tracking, Patch, Vendor Advisory
https://github.com/xwiki/xwiki-platform/commit/04e5a89d2879b160cdfaea846024d3d9c1a525e6Patch
https://github.com/xwiki/xwiki-platform/commit/db3d1c62fc5fb59fefcda3b86065d2d362f55164Patch
https://github.com/xwiki/xwiki-platform/commit/fdfce062642b0ac062da5cda033d25482f4600faPatch
https://github.com/xwiki/xwiki-platform/security/advisories/GHSA-92wp-r7hm-42g7Exploit, Vendor Advisory
https://jira.xwiki.org/browse/XWIKI-19223Exploit, Issue Tracking, Patch, Vendor Advisory

Timeline

Published: Mar 2, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-26470?

How severe is CVE-2023-26470?

CVE-2023-26470 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 0.85% probability of exploitation in the next 30 days.

How do I fix CVE-2023-26470?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-26470?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST