Vulnerability Details : CVE-2023-29521
Potential exploit
XWiki Platform is a generic wiki platform offering runtime services for applications built on top of it. Any user with view rights can execute arbitrary Groovy, Python or Velocity code in XWiki leading to full access to the XWiki installation. The root cause is improper escaping of `Macro.VFSTreeMacro`. This page is not installed by default.This vulnerability has been patched in XWiki 15.0-rc-1, 14.10.2, 14.4.8, 13.10.11. Users are advised to upgrade. There are no known workarounds for this vulnerability.
Products affected by CVE-2023-29521
- cpe:2.3:a:xwiki:xwiki:*:*:*:*:*:*:*:*
- cpe:2.3:a:xwiki:xwiki:*:*:*:*:*:*:*:*
- cpe:2.3:a:xwiki:xwiki:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2023-29521
1.19%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 78 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2023-29521
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
8.8
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
2.8
|
5.9
|
NIST | |
|
8.4
|
HIGH | CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:L |
1.8
|
6.0
|
GitHub, Inc. |
CWE ids for CVE-2023-29521
-
The product constructs all or part of a command, data structure, or record using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify how it is parsed or interpreted when it is sent to a downstream component.Assigned by:
- nvd@nist.gov (Primary)
- security-advisories@github.com (Secondary)
References for CVE-2023-29521
-
https://github.com/xwiki/xwiki-platform/security/advisories/GHSA-p67q-h88v-5jgr
Privilege escalation (PR) from account/view through VFS Tree macro · Advisory · xwiki/xwiki-platform · GitHubExploit;Patch;Vendor Advisory
-
https://jira.xwiki.org/browse/XWIKI-20260
[XWIKI-20260] Privilege escalation (PR) from account/view through VFS Tree macro - XWiki.org JIRAExploit;Issue Tracking;Patch;Vendor Advisory
-
https://github.com/xwiki/xwiki-platform/commit/fad02328f5ec7ab7fe5b932ffb5bc5c1ba7a5b12
XWIKI-20260: Improved escaping of VFSTreeMacro · xwiki/xwiki-platform@fad0232 · GitHubPatch
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