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CVE-2023-26478

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

HIGH
8.1
CVSS Score
Published: March 2, 2023 at 05:46 PM UTC
Updated: June 17, 2026 at 05:43 AM UTC
1 product affected across 1 vendorXwiki

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Severity
HIGH8.1
Exploit prediction
EPSS 0.7%
SSVC
No known exploit

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Xwiki· Xwikimaven
95%
v < 14.4.6v < 14.9-rc-114.3 ≤ v < 14.4.614.5 ≤ v < 14.9
Affected range stops below 14.4.6, so it looks safe — our inference, not a vendor statement
Affected range stops below 14.9, so it looks safe — our inference, not a vendor statement
Affected range stops below 14.9-rc-1, so it looks safe — our inference, not a vendor statement

References (3)

x_refsource_MISCPatch
Source: [email protected]
https://github.com/xwiki/xwiki-platform/commit/3c73c59e39b6436b1074d8834cf276916010014d
x_refsource_CONFIRMVendor Advisory
Source: [email protected]
https://github.com/xwiki/xwiki-platform/security/advisories/GHSA-8692-g6g9-gm5p
x_refsource_MISCExploitIssue TrackingVendor Advisory
Source: [email protected]
https://jira.xwiki.org/browse/XWIKI-20180

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

8.1HIGH[email protected]
Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-749NVD-CWE-Other

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