CVE-2023-29516

Code injection from view right on XWiki.AttachmentSelector in xwiki-platform

Severity Score

8.8

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

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.

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Changed

Confidentiality

High

Integrity

High

Availability

Low

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2023-04-07 CVE Reserved
2023-04-18 CVE Published
2024-08-02 CVE Updated
2024-08-02 First Exploit
2024-11-23 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date

CWE

CWE-74: Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')

CAPEC

References (3)

URL	Tag	Source

URL	Date	SRC
https://github.com/xwiki/xwiki-platform/security/advisories/GHSA-3989-4c6x-725f	2024-08-02
https://jira.xwiki.org/browse/XWIKI-20275	2024-08-02

URL	Date	SRC
https://github.com/xwiki/xwiki-platform/commit/aca1d677c58563bbe6e35c9e1c29fd8b12ebb996	2023-04-28

URL	Date	SRC

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Xwiki Search vendor "Xwiki"		Xwiki Search vendor "Xwiki" for product "Xwiki"				< 13.10.11 Search vendor "Xwiki" for product "Xwiki" and version " < 13.10.11"		-		Affected
Xwiki Search vendor "Xwiki"		Xwiki Search vendor "Xwiki" for product "Xwiki"				>= 14.0 < 14.4.8 Search vendor "Xwiki" for product "Xwiki" and version " >= 14.0 < 14.4.8"		-		Affected
Xwiki Search vendor "Xwiki"		Xwiki Search vendor "Xwiki" for product "Xwiki"				>= 14.5 < 14.10.1 Search vendor "Xwiki" for product "Xwiki" and version " >= 14.5 < 14.10.1"		-		Affected