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CVE-2023-37911— org.xwiki.platform:xwiki-platform-oldcore may leak data through deleted and re-created documents

Quick assessment

Affected
xwiki xwiki-platform
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

XWiki Platform是法国XWiki基金会的一套用于创建Web协作应用程序的Wiki平台。 Xwiki 9.4-rc-1 到 14.10.8版本、15.3-rc-1 之前版本存在安全漏洞，该漏洞源于当文档被删除并重新创建时，没有查看权限的用户可以查看已删除文档的内容。

CVSS 6.5 · Medium EPSS 0.75% · P54
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I. Basic Information for CVE-2023-37911

Vulnerability Information
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Vulnerability Title
org.xwiki.platform:xwiki-platform-oldcore may leak data through deleted and re-created documents
Source: CVE Program / CVE List V5
Vulnerability Description
XWiki Platform is a generic wiki platform offering runtime services for applications built on top of it. Starting in version 9.4-rc-1 and prior to versions 14.10.8 and 15.3-rc-1, when a document has been deleted and re-created, it is possible for users with view right on the re-created document but not on the deleted document to view the contents of the deleted document. Such a situation might arise when rights were added to the deleted document. This can be exploited through the diff feature and, partially, through the REST API by using versions such as `deleted:1` (where the number counts the deletions in the wiki and is thus guessable). Given sufficient rights, the attacker can also re-create the deleted document, thus extending the scope to any deleted document as long as the attacker has edit right in the location of the deleted document. This vulnerability has been patched in XWiki 14.10.8 and 15.3 RC1 by properly checking rights when deleted revisions of a document are accessed. The only workaround is to regularly clean deleted documents to minimize the potential exposure. Extra care should be taken when deleting sensitive documents that are protected individually (and not, e.g., by being placed in a protected space) or deleting a protected space as a whole.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
将资源暴露给错误范围
Source: CVE Program / CVE List V5
Vulnerability Title
XWiki Platform 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
XWiki Platform是法国XWiki基金会的一套用于创建Web协作应用程序的Wiki平台。 Xwiki 9.4-rc-1 到 14.10.8版本、15.3-rc-1 之前版本存在安全漏洞，该漏洞源于当文档被删除并重新创建时，没有查看权限的用户可以查看已删除文档的内容。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
xwiki xwiki-platform >= 9.4-rc-1, < 14.10.8 -

II. Public POCs for CVE-2023-37911

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III. Intelligence Information for CVE-2023-37911

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Patches & Fixes for CVE-2023-37911 (1)

Vendor Advisories for CVE-2023-37911 (1)

Other References for CVE-2023-37911 (4)

Same Patch Batch · xwiki · 2023-10-25 · 10 CVEs total

CVE-2023-37913 10.0 CRITICAL org.xwiki.platform:xwiki-platform-office-importer vulnerable to arbitrary server side file
CVE-2023-37912 10.0 CRITICAL XWiki Rendering's footnote macro vulnerable to privilege escalation via the footnote macro
CVE-2023-37909 10.0 CRITICAL Privilege escalation (PR)/remote code execution from account through Menu.UIExtensionSheet
CVE-2023-45136 9.7 CRITICAL XWiki Platform web templates vulnerable to reflected XSS in the create document form if na
CVE-2023-45135 9.1 CRITICAL XWiki users can be tricked to execute scripts as the create page action doesn't display th
CVE-2023-45134 9.1 CRITICAL XWiki Platform XSS vulnerability from account in the create page form via template provide
CVE-2023-37908 9.1 CRITICAL org.xwiki.rendering:xwiki-rendering-xml Improper Neutralization of Invalid Characters in I
CVE-2023-45137 9.1 CRITICAL XWiki Platform XSS with edit right in the create document form for existing pages
CVE-2023-37910 8.1 HIGH org.xwiki.platform:xwiki-platform-attachment-api vulnerable to Missing Authorization on At

IV. Related Vulnerabilities

Same product: xwiki-platform
Same vendor: xwiki
Same weakness: CWE-668

V. Comments for CVE-2023-37911

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