Vulnerability Details : CVE-2023-29516
XWiki Platform is a generic wiki platform offering runtime services for applications built on top of it. Any user with view rights on `XWiki.AttachmentSelector` can execute arbitrary Groovy, Python or Velocity code in XWiki leading to full access to the XWiki installation. The root cause is improper escaping in the "Cancel and return to page" button. This page is installed by default. This vulnerability has been patched in XWiki 15.0-rc-1, 14.10.1, 14.4.8, and 13.10.11. There are no known workarounds for this vulnerability.
Products affected by CVE-2023-29516
- 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-2023-29516
0.17%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 53 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2023-29516
| 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 | |
|
9.9
|
CRITICAL | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:L |
3.1
|
6.0
|
GitHub, Inc. |
CWE ids for CVE-2023-29516
-
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: security-advisories@github.com (Primary)
References for CVE-2023-29516
-
https://github.com/xwiki/xwiki-platform/security/advisories/GHSA-3989-4c6x-725f
Privilege escalation (PR) from view right on XWiki.AttachmentSelector · Advisory · xwiki/xwiki-platform · GitHubExploit;Patch;Vendor Advisory
-
https://jira.xwiki.org/browse/XWIKI-20275
[XWIKI-20275] Privilege escalation (PR) from view right on XWiki.AttachmentSelector - XWiki.org JIRAExploit;Issue Tracking;Patch;Vendor Advisory
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https://github.com/xwiki/xwiki-platform/commit/aca1d677c58563bbe6e35c9e1c29fd8b12ebb996
XWIKI-20275: Improved escaping on XWiki.AttachmentSelector · xwiki/xwiki-platform@aca1d67 · GitHubPatch
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