VDB-305552 · CVE-2025-39542 · GCVE-0-2025-39542

Jauhari Xelion Xelion Webchat Plugin up to 9.1.0 on WordPress privileges assignment

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.
7.4	$0-$5k	0.00

Summaryinfo

A vulnerability, which was classified as critical, was found in Jauhari Xelion Xelion Webchat Plugin up to 9.1.0 on WordPress. Impacted is an unknown function. Such manipulation leads to privileges assignment. This vulnerability is uniquely identified as CVE-2025-39542. The attack can be launched remotely. No exploit exists.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Jauhari Xelion Xelion Webchat Plugin up to 9.1.0 on WordPress. Affected by this issue is some unknown functionality. The manipulation with an unknown input leads to a privileges assignment vulnerability. Using CWE to declare the problem leads to CWE-266. A product incorrectly assigns a privilege to a particular actor, creating an unintended sphere of control for that actor. Impacted is confidentiality, integrity, and availability. CVE summarizes:

Incorrect Privilege Assignment vulnerability in Jauhari Xelion Xelion Webchat allows Privilege Escalation. This issue affects Xelion Webchat: from n/a through 9.1.0.

The weakness was disclosed by Lvt-tholv2k. The advisory is shared for download at patchstack.com. This vulnerability is handled as CVE-2025-39542 since 04/16/2025. The exploitation is known to be easy. The attack may be launched remotely. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 04/17/2025). The MITRE ATT&CK project declares the attack technique as T1068.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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

Productinfo

Type

WordPress Plugin

Vendor

Jauhari Xelion

Name

Xelion Webchat Plugin

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.6
VulDB Meta Temp Score: 7.4

VulDB Base Score: 6.3
VulDB Temp Score: 6.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 8.8
CNA Vector (Patchstack): 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Privileges assignment
CWE: CWE-266
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: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

04/16/2025 🔍
04/17/2025 +1 days 🔍
04/17/2025 +0 days 🔍
04/17/2025 +0 days 🔍

Sourcesinfo

Advisory: patchstack.com
Researcher: Lvt-tholv2k
Status: Not defined

CVE: CVE-2025-39542 (🔍)
GCVE (CVE): GCVE-0-2025-39542
GCVE (VulDB): GCVE-100-305552

Entryinfo

Created: 04/17/2025 18:53
Changes: 04/17/2025 18:53 (63)
Complete: 🔍
Cache ID: 216::103