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Vulnerability Details :

CVE-2025-34157

Summary
Assigner-VulnCheck
Assigner Org ID-83251b91-4cc7-4094-a5c7-464a1b83ea10
Published At-27 Aug, 2025 | 16:48
Updated At-27 Aug, 2025 | 17:47
Rejected At-
Credits

Coolify Stored Cross-Site Scripting (XSS) in Project Name Field

Coolify versions prior to v4.0.0-beta.420.6 are vulnerable to a stored cross-site scripting (XSS) attack in the project creation workflow. An authenticated user with low privileges can create a project with a maliciously crafted name containing embedded JavaScript. When an administrator attempts to delete the project or its associated resource, the payload executes in the admin’s browser context. This results in full compromise of the Coolify instance, including theft of API tokens, session cookies, and access to WebSocket-based terminal sessions on managed servers.

Vendors
-
Not available
Products
-
Metrics (CVSS)
VersionBase scoreBase severityVector
Weaknesses
Attack Patterns
Solution/Workaround
References
HyperlinkResource Type
EPSS History
Score
Latest Score
-
N/A
No data available for selected date range
Percentile
Latest Percentile
-
N/A
No data available for selected date range
Stakeholder-Specific Vulnerability Categorization (SSVC)
▼Common Vulnerabilities and Exposures (CVE)
cve.org
Assigner:VulnCheck
Assigner Org ID:83251b91-4cc7-4094-a5c7-464a1b83ea10
Published At:27 Aug, 2025 | 16:48
Updated At:27 Aug, 2025 | 17:47
Rejected At:
▼CVE Numbering Authority (CNA)
Coolify Stored Cross-Site Scripting (XSS) in Project Name Field

Coolify versions prior to v4.0.0-beta.420.6 are vulnerable to a stored cross-site scripting (XSS) attack in the project creation workflow. An authenticated user with low privileges can create a project with a maliciously crafted name containing embedded JavaScript. When an administrator attempts to delete the project or its associated resource, the payload executes in the admin’s browser context. This results in full compromise of the Coolify instance, including theft of API tokens, session cookies, and access to WebSocket-based terminal sessions on managed servers.

Affected Products
Vendor
coolLabs Technologies
Product
Coolify
Repo
https://github.com/coollabsio/coolify
Modules
  • frontend rendering of Project Name field
Default Status
unaffected
Versions
Affected
  • From * before 4.0.0.-beta.420.7 (semver)
Problem Types
TypeCWE IDDescription
CWECWE-79CWE-79 Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting')
CWECWE-20CWE-20 Improper Input Validation
Type: CWE
CWE ID: CWE-79
Description: CWE-79 Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting')
Type: CWE
CWE ID: CWE-20
Description: CWE-20 Improper Input Validation
Metrics
VersionBase scoreBase severityVector
4.09.4CRITICAL
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
Version: 4.0
Base score: 9.4
Base severity: CRITICAL
Vector:
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
Metrics Other Info
Impacts
CAPEC IDDescription
CAPEC-592CAPEC-592 Stored XSS
CAPEC ID: CAPEC-592
Description: CAPEC-592 Stored XSS
Solutions

The project maintainer has confirmed that this vulnerability was remediated in version 4.0.0.-beta.420.7 despite not being acknowledged in the release notes.

Configurations

Workarounds

Exploits

Credits

finder
Mike G.A (Eyodav)
Timeline
EventDate
Replaced By

Rejected Reason

References
HyperlinkResource
https://github.com/coollabsio/coolify/releases/tag/v4.0.0-beta.420.7
vendor-advisory
patch
https://coolify.io/
product
https://github.com/Eyodav/CVE-2025-34157
technical-description
exploit
Hyperlink: https://github.com/coollabsio/coolify/releases/tag/v4.0.0-beta.420.7
Resource:
vendor-advisory
patch
Hyperlink: https://coolify.io/
Resource:
product
Hyperlink: https://github.com/Eyodav/CVE-2025-34157
Resource:
technical-description
exploit
▼Authorized Data Publishers (ADP)
CISA ADP Vulnrichment
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions

Configurations

Workarounds

Exploits

Credits

Timeline
EventDate
Replaced By

Rejected Reason

References
HyperlinkResource
Information is not available yet
▼National Vulnerability Database (NVD)
nvd.nist.gov
Source:disclosure@vulncheck.com
Published At:27 Aug, 2025 | 17:15
Updated At:27 Aug, 2025 | 17:15

Coolify versions prior to v4.0.0-beta.420.6 are vulnerable to a stored cross-site scripting (XSS) attack in the project creation workflow. An authenticated user with low privileges can create a project with a maliciously crafted name containing embedded JavaScript. When an administrator attempts to delete the project or its associated resource, the payload executes in the admin’s browser context. This results in full compromise of the Coolify instance, including theft of API tokens, session cookies, and access to WebSocket-based terminal sessions on managed servers.

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
Secondary4.09.4CRITICAL
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Type: Secondary
Version: 4.0
Base score: 9.4
Base severity: CRITICAL
Vector:
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CPE Matches

Weaknesses
CWE IDTypeSource
CWE-20Secondarydisclosure@vulncheck.com
CWE-79Secondarydisclosure@vulncheck.com
CWE ID: CWE-20
Type: Secondary
Source: disclosure@vulncheck.com
CWE ID: CWE-79
Type: Secondary
Source: disclosure@vulncheck.com
Evaluator Description

Evaluator Impact

Evaluator Solution

Vendor Statements

References
HyperlinkSourceResource
https://coolify.io/disclosure@vulncheck.com
N/A
https://github.com/Eyodav/CVE-2025-34157disclosure@vulncheck.com
N/A
https://github.com/coollabsio/coolify/releases/tag/v4.0.0-beta.420.7disclosure@vulncheck.com
N/A
Hyperlink: https://coolify.io/
Source: disclosure@vulncheck.com
Resource: N/A
Hyperlink: https://github.com/Eyodav/CVE-2025-34157
Source: disclosure@vulncheck.com
Resource: N/A
Hyperlink: https://github.com/coollabsio/coolify/releases/tag/v4.0.0-beta.420.7
Source: disclosure@vulncheck.com
Resource: N/A

Change History

0
Information is not available yet

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||
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Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
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Details not found