CVE-2023-29507
Xwiki 14.4.1 – 14.4.7
Raw vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:HCVSS and EPSS are reproduced from their sources (NVD, FIRST EPSS). Risk Priority is our own derived reading, not an NVD score.
Summary
CVE-2023-29507 is a critical-severity Incorrect Use of Privileged APIs (CWE-648) vulnerability in Xwiki Xwiki. Its CVSS base score is 9.1 (Critical).
Operationally, exploitation aligns with the MITRE ATT&CK technique Protocol or Service Impersonation (T1001.003); ranked in the top 41% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.
Deeper analysis AI-assisted summary
Synthesised by an AI model from the NVD description and linked references — a reading aid, not an authoritative source.
XWiki Commons, the shared technical libraries used across multiple XWiki projects, contains a vulnerability in the Document script API. The API directly exposes a DocumentAuthors object that permits arbitrary author assignments on a document; because author identity is subsequently used for rights checks, this can enable unauthorized script execution. The flaw is tracked as CVE-2023-29507 with a CVSS 3.1 score of 9.1 and affects versions prior to the listed fixes.
An authenticated user with administrative rights can exploit the issue remotely by setting a privileged author on a document, thereby causing later script invocations to run with elevated privileges and potentially compromising confidentiality, integrity, and availability across the XWiki instance.
The vulnerability was addressed in XWiki 14.10 and 14.4.7 by modifying the API to return a safe wrapper instead of the raw DocumentAuthors object. Corresponding commits and the GitHub Security Advisory GHSA-pwfv-3cvg-9m4c document the change and recommend upgrading to a patched release.
The associated EPSS score has remained flat at 0.0994 with no material upward trajectory after disclosure.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2023-1368
Vulnerability Data
XWiki Commons are technical libraries common to several other top level XWiki projects. The Document script API returns directly a DocumentAuthors allowing to set any authors to the document, which in consequence can allow subsequent executions of scripts since this…
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author is used for checking rights. The problem has been patched in XWiki 14.10 and 14.4.7 by returning a safe script API.
- CWE(s)
Related Threats
MITRE ATT&CK Enterprise Techniques
CVEs Like This One
Affected Assets
Mitigating Controls
Control response
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V3.5.2V6.4.6
Mitigating Controls (NIST CSF 2.0) AI
Derived directly from the weakness types (CWEs) cited in the NVD entry via our AI-authored CWE→CSF cross-walk (authority under review) — links open the control.
Secure SDLC practices directly enforce correct usage of privileged APIs during development.
Mitigating Controls (ISO/IEC 27001:2022 Annex A) AI
Derived directly from the weakness types (CWEs) cited in the NVD entry via our AI-authored CWE→ISO cross-walk (authority under review) — links open the control.
Restricting privileged utility programs limits the exposure of privileged APIs to misuse.
Privileged access rights directly govern the correct use of privileged APIs and reduce misuse.
Secure development lifecycle includes API usage standards that can prevent incorrect privileged calls.
A.8.26 requires that security requirements (including access segregation) be identified during development or acquisition; it does not itself enforce, implement or assure correct use of privileged APIs, so the weakness can still be present and exploitable.
Secure architecture principles guide proper privilege separation and API usage.
Secure coding standards can enforce correct usage of privileged APIs.