VDB-222224 · CVE-2023-26477 · GHSA-x2qm-r4wx-8gpg

XWiki prior 13.10.10/14.4.6/14.9-rc-1 Request Parameter newThemeName eval injection

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
8.8	$0-$5k	0.00

Summaryinfo

A vulnerability, which was classified as critical, was found in XWiki. This affects an unknown part of the component Request Parameter Handler. Such manipulation of the argument newThemeName leads to eval injection. This vulnerability is traded as CVE-2023-26477. The attack may be launched remotely. Furthermore, there is an exploit available. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in XWiki (Content Management System) and classified as critical. Affected by this issue is some unknown functionality of the component Request Parameter Handler. The manipulation of the argument newThemeName with an unknown input leads to a eval injection vulnerability. Using CWE to declare the problem leads to CWE-95. The product receives input from an upstream component, but it does not neutralize or incorrectly neutralizes code syntax before using the input in a dynamic evaluation call (e.g. "eval"). Impacted is confidentiality, integrity, and availability. CVE summarizes:

XWiki Platform is a generic wiki platform. Starting in versions 6.3-rc-1 and 6.2.4, it's possible to inject arbitrary wiki syntax including Groovy, Python and Velocity script macros via the `newThemeName` request parameter (URL parameter), in combination with additional parameters. This has been patched in the supported versions 13.10.10, 14.9-rc-1, and 14.4.6. As a workaround, it is possible to edit `FlamingoThemesCode.WebHomeSheet` and manually perform the changes from the patch fixing the issue.

The weakness was shared 03/02/2023 as GHSA-x2qm-r4wx-8gpg. The advisory is shared for download at github.com. This vulnerability is handled as CVE-2023-26477 since 02/23/2023. Technical details as well as a public exploit are known.

The exploit is available at github.com. It is declared as proof-of-concept.

Upgrading to version 13.10.10, 14.4.6 or 14.9-rc-1 eliminates this vulnerability. Applying the patch ea2e615f50a918802fd60b09ec87aa04bc6ea8e2 is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

Content Management System

Name

XWiki

License

open-source

CPE 2.3info

🔍

CPE 2.2info

🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 9.0
VulDB Meta Temp Score: 8.8

VulDB Base Score: 7.3
VulDB Temp Score: 6.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CNA Base Score: 10.0
CNA Vector (GitHub, Inc.): 🔍

CVSSv2info

AV	AC	Au	C	I	A
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💳	💳	💳	💳	💳	💳
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Eval injection
CWE: CWE-95 / CWE-94 / CWE-74
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: XWiki 13.10.10/14.4.6/14.9-rc-1
Patch: ea2e615f50a918802fd60b09ec87aa04bc6ea8e2

Timelineinfo

02/23/2023 🔍
03/02/2023 +7 days 🔍
03/02/2023 +0 days 🔍
03/30/2023 +28 days 🔍

Sourcesinfo

Advisory: GHSA-x2qm-r4wx-8gpg
Status: Confirmed

CVE: CVE-2023-26477 (🔍)
GCVE (CVE): GCVE-0-2023-26477
GCVE (VulDB): GCVE-100-222224
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 03/02/2023 19:38
Updated: 03/30/2023 19:24
Changes: 03/02/2023 19:38 (55), 03/30/2023 19:24 (11)
Complete: 🔍
Cache ID: 216::103