7.6
HIGH CVSS 3.1
CVE-2026-5301
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in coolercontrol-ui
Description

Stored XSS in log viewer in CoolerControl/coolercontrol-ui <4.0.0 allows unauthenticated attackers to take over the service via malicious JavaScript in poisoned log entries

INFO

Published Date :

April 8, 2026, 1:16 p.m.

Last Modified :

April 8, 2026, 1:16 p.m.

Remotely Exploit :

Yes !
Affected Products

The following products are affected by CVE-2026-5301 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

No affected product recoded yet

CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 3.1 HIGH ceab7361-8a18-47b1-92ba-4d7d25f6715a
CVSS 3.1 HIGH [email protected]
Solution
Update CoolerControl/coolercontrol-ui to version 4.0.0 or later to fix stored XSS.
  • Update CoolerControl/coolercontrol-ui to version 4.0.0 or later.
  • Avoid logging untrusted user input.
  • Sanitize log entries before display.
References to Advisories, Solutions, and Tools
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-5301 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2026-5301 weaknesses.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2026-5301 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2026-5301 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • New CVE Received by [email protected]

    Apr. 08, 2026

    Action Type Old Value New Value
    Added Description Stored XSS in log viewer in CoolerControl/coolercontrol-ui <4.0.0 allows unauthenticated attackers to take over the service via malicious JavaScript in poisoned log entries
    Added CVSS V3.1 AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:H/A:L
    Added CWE CWE-79
    Added Reference https://gitlab.com/coolercontrol/coolercontrol/-/blob/2.0.0/coolercontrol-ui/src/views/AppInfoView.vue?ref_type=tags#L224
    Added Reference https://gitlab.com/coolercontrol/coolercontrol/-/blob/3.1.1/coolercontrol-ui/src/views/AppInfoView.vue?ref_type=tags#L350
    Added Reference https://gitlab.com/coolercontrol/coolercontrol/-/releases/4.0.0
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.