CVE-2023-40177 (GCVE-0-2023-40177)
Vulnerability from cvelistv5 – Published: 2023-08-23 20:11 – Updated: 2024-10-03 13:41
VLAI
EPSS
VEX
Title
XWiki Platform privilege escalation (PR) from account through AWM content fields
Summary
XWiki Platform is a generic wiki platform offering runtime services for applications built on top of it. Any registered user can use the content field of their user profile page to execute arbitrary scripts with programming rights, thus effectively performing rights escalation. This issue is present since version 4.3M2 when AppWithinMinutes Application added support for the Content field, allowing any wiki page (including the user profile page) to use its content as an AWM Content field, which has a custom displayer that executes the content with the rights of the ``AppWithinMinutes.Content`` author, rather than the rights of the content author. The vulnerability has been fixed in XWiki 14.10.5 and 15.1RC1. The fix is in the content of the AppWithinMinutes.Content page that defines the custom displayer. By using the ``display`` script service to render the content we make sure that the proper author is used for access rights checks.
Severity
9.9 (Critical)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-10-03 13:41 UTC
CWE
- CWE-95 - Improper Neutralization of Directives in Dynamically Evaluated Code ('Eval Injection')
Assigner
GitHub_M
CNA
References
3 references
| URL | Tags |
|---|---|
| https://github.com/xwiki/xwiki-platform/security/… | x_refsource_CONFIRM |
| https://github.com/xwiki/xwiki-platform/commit/df… | x_refsource_MISC |
| https://jira.xwiki.org/browse/XWIKI-7369 | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| xwiki | xwiki-platform |
Affected:
>= 4.3-milestone-2, < 14.10.5
|
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Browse all ATT&CK techniques and the vulnerabilities related to each.
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