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CVE-2023-26478

MEDIUM
Published 2023-03-02T17:46:15.394Z
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CVSS Score

V3.1
6.6
/10
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:L
Base Score Metrics
Exploitability: N/A Impact: N/A

EPSS Score

v2025.03.14
0.003
probability
of exploitation in the wild

There is a 0.3% chance that this vulnerability will be exploited in the wild within the next 30 days.

Updated: 2025-06-25
Exploit Probability
Percentile: 0.540
Higher than 54.0% of all CVEs

Attack Vector Metrics

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
CHANGED

Impact Metrics

Confidentiality
LOW
Integrity
LOW
Availability
LOW

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.

Available Exploits

No exploits available for this CVE.

Related News

No news articles found for this CVE.

Affected Products

xwiki

xwiki-platform

Affected Versions:

>= 14.3-rc-1, < 14.4.6 >= 14.5, < 14.9-rc-1

GitHub Security Advisories

Community-driven vulnerability intelligence from GitHub

✓ GitHub Reviewed MODERATE

xwiki contains Exposed Dangerous Method or Function

GHSA-8692-g6g9-gm5p

Advisory Details

### Impact `org.xwiki.store.script.TemporaryAttachmentsScriptService#uploadTemporaryAttachment` is returning 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. ### Patches This has been patched in the version 14.9-rc-1 and 14.4.6. ### Workarounds There's no workaround for this issue. ### References https://jira.xwiki.org/browse/XWIKI-20180 ### For more information If you have any questions or comments about this advisory: * Open an issue in [JIRA](https://jira.xwiki.org/) * Email us at [security ML](mailto:[email protected])

Affected Packages

Maven org.xwiki.platform:xwiki-platform-store-filesystem-oldcore
ECOSYSTEM: ≥14.3-rc-1 <14.4.6
Maven org.xwiki.platform:xwiki-platform-store-filesystem-oldcore
ECOSYSTEM: ≥14.5 <14.9-rc-1

CVSS Scoring

CVSS Score

5.0

CVSS Vector

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

References

WEB https://github.com/xwiki/xwiki-platform/security/advisories/GHSA-8692-g6g9-gm5p
ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2023-26478
WEB https://github.com/xwiki/xwiki-platform/commit/3c73c59e39b6436b1074d8834cf276916010014d
PACKAGE https://github.com/xwiki/xwiki-platform
WEB https://jira.xwiki.org/browse/XWIKI-20180

Advisory provided by GitHub Security Advisory Database. Published: March 3, 2023, Modified: March 3, 2023

References

https://github.com/xwiki/xwiki-platform/security/advisories/GHSA-8692-g6g9-gm5p
https://github.com/xwiki/xwiki-platform/commit/3c73c59e39b6436b1074d8834cf276916010014d
https://jira.xwiki.org/browse/XWIKI-20180
Published: 2023-03-02T17:46:15.394Z
Last Modified: 2025-03-05T20:49:02.330Z
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