VDB-326653 · CVE-2025-20368 · SVD-2025-1003

Splunk Enterprise/Cloud Platform Error Message 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.
4.8	$0-$5k	0.00

Summaryinfo

A vulnerability was found in Splunk Enterprise and Cloud Platform. It has been classified as problematic. This affects an unknown function of the component Error Message Handler. This manipulation causes cross site scripting. This vulnerability appears as CVE-2025-20368. The attack may be initiated remotely. There is no available exploit. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in Splunk Enterprise and Cloud Platform (unknown version). It has been declared as problematic. Affected by this vulnerability is an unknown code block of the component Error Message Handler. 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. The summary by CVE is:

In Splunk Enterprise versions below 9.4.4, 9.3.6, and 9.2.8, and Splunk Cloud Platform versions below 9.3.2411.108, 9.3.2408.118 and 9.2.2406.123, a low privileged user that does not hold the admin or power Splunk roles could craft a malicious payload through the error messages and job inspection details of a saved search. This could result in execution of unauthorized JavaScript code in the browser of a user.

The advisory is shared at advisory.splunk.com. This vulnerability is known as CVE-2025-20368 since 10/10/2024. The exploitation appears to be easy. The attack can be launched remotely. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1059.007 for this issue.

The vulnerability scanner Nessus provides a plugin with the ID 266409 (Splunk Enterprise 9.2.0 < 9.2.8, 9.3.0 < 9.3.6, 9.4.0 < 9.4.4 (SVD-2025-1003)), which helps to determine the existence of the flaw in a target environment.

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (266409). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

Log Management Software

Vendor

Splunk

Name

License

commercial

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.9
VulDB Meta Temp Score: 4.8

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

NVD Base Score: 5.4
NVD Vector: 🔒

CNA Base Score: 5.7
CNA Vector (cisco): 🔒

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

Nessus ID: 266409
Nessus Name: Splunk Enterprise 9.2.0 < 9.2.8, 9.3.0 < 9.3.6, 9.4.0 < 9.4.4 (SVD-2025-1003)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Timelineinfo

10/10/2024 CVE reserved
10/01/2025 +356 days Advisory disclosed
10/01/2025 +0 days VulDB entry created
10/09/2025 +8 days VulDB entry last update

Sourcesinfo

Advisory: SVD-2025-1003
Status: Confirmed

CVE: CVE-2025-20368 (🔒)
GCVE (CVE): GCVE-0-2025-20368
GCVE (VulDB): GCVE-100-326653

Entryinfo

Created: 10/01/2025 19:08
Updated: 10/09/2025 04:50
Changes: 10/01/2025 19:08 (64), 10/03/2025 06:11 (2), 10/09/2025 04:50 (11)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.