CVE-2023-26478

Public Exploit
org.xwiki.platform:xwiki-platform-store-filesystem-oldcore has Exposed Dangerous Method or Function

Description

XWiki Platform is a generic wiki platform. Starting in version 14.3-rc-1, `org.xwiki.store.script.TemporaryAttachmentsScriptService#uploadTemporaryAttachment` returns an instance of `com.xpn.xwiki.doc.XWikiAttachment`. This class is not supported to be exposed to users without the `programing` right. `com.xpn.xwiki.api.Attachment` should be used instead and takes case of checking the user's rights before performing dangerous operations. This has been patched in versions 14.9-rc-1 and 14.4.6. There are no known workarounds for this issue.

Category

6.6
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.32%
Vendor Advisory github.com Vendor Advisory xwiki.org
Affected: xwiki xwiki-platform
Published at:
Updated at:

References

Link Tags
https://github.com/xwiki/xwiki-platform/security/advisories/GHSA-8692-g6g9-gm5p vendor advisory
https://github.com/xwiki/xwiki-platform/commit/3c73c59e39b6436b1074d8834cf276916010014d patch
https://jira.xwiki.org/browse/XWIKI-20180 vendor advisory issue tracking exploit

Frequently Asked Questions

What is the severity of CVE-2023-26478?
CVE-2023-26478 has been scored as a medium severity vulnerability.
How to fix CVE-2023-26478?
To fix CVE-2023-26478, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2023-26478 being actively exploited in the wild?
It is possible that CVE-2023-26478 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2023-26478?
CVE-2023-26478 affects xwiki xwiki-platform.
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