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CVE-2023-45135— XWiki users can be tricked to execute scripts as the create page action doesn't display the page's title

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 Platform 存在安全漏洞，该漏洞源于可以将标题传递给最初不显示但在第二步中执行的页面创建操作。

CVSS 9.1 · Critical EPSS 1.74% · P77
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I. Basic Information for CVE-2023-45135

Vulnerability Information
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Vulnerability Title
XWiki users can be tricked to execute scripts as the create page action doesn't display the page's title
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. In `org.xwiki.platform:xwiki-platform-web` versions 7.2-milestone-2 until 14.10.12 and `org.xwiki.platform:xwiki-platform-web-templates` prior to versions 14.10.12 and 15.5-rc-1, it is possible to pass a title to the page creation action that isn't displayed at first but then executed in the second step. This can be used by an attacker to trick a victim to execute code, allowing script execution if the victim has script right or remote code execution including full access to the XWiki instance if the victim has programming right. For the attack to work, the attacker needs to convince the victim to visit a link like `<xwiki-host>/xwiki/bin/create/NonExistingSpace/WebHome?title=$services.logging.getLogger(%22foo%22).error(%22Script%20executed!%22)` where `<xwiki-host>` is the URL of the Wiki installation and to then click on the "Create" button on that page. The page looks like a regular XWiki page that the victim would also see when clicking the button to create a page that doesn't exist yet, the malicious code is not displayed anywhere on that page. After clicking the "Create" button, the malicious title would be displayed but at this point, the code has already been executed and the attacker could use this code also to hide the attack, e.g., by redirecting the victim again to the same page with an innocent title. It thus seems plausible that this attack could work if the attacker can place a fake "create page" button on a page which is possible with edit right. This has been patched in `org.xwiki.platform:xwiki-platform-web` version 14.10.12 and `org.xwiki.platform:xwiki-platform-web-templates` versions 14.10.12 and 15.5-rc-1 by displaying the title already in the first step such that the victim can notice the attack before continuing. It is possible to manually patch the modified files from the patch in an existing installation. For the JavaScript change, the minified JavaScript file would need to be obtained from a build of XWiki and replaced accordingly.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
对输出编码和转义不恰当
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 Platform 存在安全漏洞，该漏洞源于可以将标题传递给最初不显示但在第二步中执行的页面创建操作。
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 >= 7.2-milestone-2, < 14.10.12 -

II. Public POCs for CVE-2023-45135

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III. Intelligence Information for CVE-2023-45135

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Patches & Fixes for CVE-2023-45135 (1)

Vendor Advisories for CVE-2023-45135 (1)

Other References for CVE-2023-45135 (1)

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-2023-45134 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
CVE-2023-37911 6.5 MEDIUM org.xwiki.platform:xwiki-platform-oldcore may leak data through deleted and re-created doc

IV. Related Vulnerabilities

Same product: xwiki-platform
Same vendor: xwiki
Same weakness: CWE-116

V. Comments for CVE-2023-45135

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