VDB-317856 · CVE-2025-54597 · EUVD-2025-22806

LinuxServer.io Heimdall up to 2.7.2 q 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.
5.8	$0-$5k	0.00

Summaryinfo

A vulnerability classified as problematic was found in LinuxServer.io Heimdall up to 2.7.2. Affected by this vulnerability is an unknown functionality. The manipulation of the argument q results in cross site scripting. This vulnerability is identified as CVE-2025-54597. The attack can be executed remotely. There is not any exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability, which was classified as problematic, was found in LinuxServer.io Heimdall up to 2.7.2. Affected is an unknown function. The manipulation of the argument q with an unknown input leads to a cross site scripting vulnerability. CWE is classifying the issue as 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. This is going to have an impact on integrity. CVE summarizes:

LinuxServer.io Heimdall before 2.7.3 allows XSS via the q parameter.

The advisory is shared for download at github.com. This vulnerability is traded as CVE-2025-54597 since 07/27/2025. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Successful exploitation requires user interaction by the victim. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1059.007.

Upgrading to version 2.7.3 eliminates this vulnerability. The upgrade is hosted for download at github.com. Applying the patch d1a96dd752ba30dc56380400dd2587d8abb8e9d1 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.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2025-22806). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Vendor

LinuxServer.io

Name

Heimdall

Version

License

open-source

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.9
VulDB Meta Temp Score: 5.8

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 6.1
NVD Vector: 🔒

CNA Base Score: 7.2
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: Heimdall 2.7.3
Patch: d1a96dd752ba30dc56380400dd2587d8abb8e9d1

Timelineinfo

07/27/2025 Advisory disclosed
07/27/2025 +0 days CVE reserved
07/27/2025 +0 days VulDB entry created
08/07/2025 +11 days VulDB entry last update

Sourcesinfo

Advisory: d1a96dd752ba30dc56380400dd2587d8abb8e9d1
Status: Confirmed

CVE: CVE-2025-54597 (🔒)
GCVE (CVE): GCVE-0-2025-54597
GCVE (VulDB): GCVE-100-317856
EUVD: 🔒

Entryinfo

Created: 07/27/2025 11:45
Updated: 08/07/2025 03:29
Changes: 07/27/2025 11:45 (68), 07/27/2025 21:03 (1), 08/07/2025 03:29 (12)
Complete: 🔍
Cache ID: 216:7ED:103

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