VDB-243808 · CVE-2023-46854 · EUVD-2023-51020

Proxmox proxmox-widget-toolkit up to 4.0.8 Edit Notes cross site scripting

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.
5.0	$0-$5k	0.00

Summaryinfo

A vulnerability described as problematic has been identified in Proxmox proxmox-widget-toolkit up to 4.0.8. This issue affects some unknown processing of the component Edit Notes. Executing a manipulation can lead to cross site scripting. This vulnerability appears as CVE-2023-46854. The attack may be performed from remote. There is no available exploit. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in Proxmox proxmox-widget-toolkit up to 4.0.8. It has been declared as problematic. This vulnerability affects an unknown code block of the component Edit Notes. The manipulation with an unknown input leads to a cross site scripting vulnerability. The CWE definition for the vulnerability is CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. As an impact it is known to affect integrity. CVE summarizes:

Proxmox proxmox-widget-toolkit before 4.0.9, as used in multiple Proxmox products, allows XSS via the edit notes feature.

The weakness was presented 10/29/2023. The advisory is shared for download at git.proxmox.com. This vulnerability was named CVE-2023-46854 since 10/28/2023. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1059.007.

Upgrading to version 4.0.9 eliminates this vulnerability. Applying the patch 1326f771b959e576d140da2249c8b5424da6c80d is able to eliminate this problem. The bugfix is ready for download at git.proxmox.com. The best possible mitigation is suggested to be upgrading to the latest version.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2023-51020). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Vendor

Proxmox

Name

proxmox-widget-toolkit

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.0
VulDB Meta Temp Score: 5.0

VulDB Base Score: 3.5
VulDB Temp Score: 3.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.1
NVD Vector: 🔍

CNA Base Score: 5.4
CNA Vector (MITRE): 🔍

CVSSv2info

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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Cross site scripting
CWE: CWE-79 / CWE-94 / CWE-74
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

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: proxmox-widget-toolkit 4.0.9
Patch: 1326f771b959e576d140da2249c8b5424da6c80d

Timelineinfo

10/28/2023 🔍
10/28/2023 +0 days 🔍
10/29/2023 +0 days 🔍
02/17/2026 +842 days 🔍

Sourcesinfo

Advisory: git.proxmox.com
Status: Confirmed

CVE: CVE-2023-46854 (🔍)
GCVE (CVE): GCVE-0-2023-46854
GCVE (VulDB): GCVE-100-243808
EUVD: 🔍

Entryinfo

Created: 10/29/2023 01:44
Updated: 02/17/2026 16:21
Changes: 10/29/2023 01:44 (52), 11/19/2023 16:05 (11), 02/17/2026 16:21 (16)
Complete: 🔍
Cache ID: 216::103

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