CVE-2023-26478

描述

### 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])

如何修補 CVE-2023-26478

要修補 CVE-2023-26478,請將受影響套件升級到下列已修補版本。

• —升級至 14.4.6 或更新版本

CVE-2023-26478 正在被利用嗎?

低 — EPSS 為 4.6%,目前沒有觀察到大規模利用活動。

受影響套件(1)

• >= 14.3-rc-1, < 14.4.6

CVSS 分數

參考連結(5)

• ADVISORYnvd.nist.gov/vuln/detail/CVE-2023-26478
• PATCHgithub.com/xwiki/xwiki-platform
• WEBgithub.com/xwiki/xwiki-platform/commit/3c73c59e39b6436b1074d8834cf276916010014d
• WEBgithub.com/xwiki/xwiki-platform/security/advisories/GHSA-8692-g6g9-gm5p