What is the CVSS score of CVE-2025-48939?

CVE-2025-48939 has a CVSS 3.1 base score of 4.2 (Medium). CVSS vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:C/C:N/I:L/A:L. EPSS exploitation probability: 0.0%.

Is there a public PoC exploit available for CVE-2025-48939?

Yes, a public proof-of-concept exploit is available for CVE-2025-48939. Prioritise patching immediately. EPSS: 0.0%.

How to fix or mitigate CVE-2025-48939?

Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. Vendor patch is available.

Tarteaucitronjs CVE-2025-48939

EUVD-2025-19885 MEDIUM

Improper Neutralization of Special Elements (CWE-138)

2025-07-03 security-advisories@github.com

GHSA-q43x-79jr-cq98

Code Injection Tarteaucitronjs Amauri

4.2

CVSS 3.1 · GitHub Advisory

View

Vulnerability Assessment

Weakness	CWE CWE-138 OWASP Top 10:2025 A05:2025 - Injection ASVS 5.0 V1 - Encoding and Sanitization Improper neutralization of special elements
Impact	CVSS 4.2. EPSS 0.0%. Public PoC/exploit available. Vendor patch available.
Exploit ScenarioDerived	An attacker could exploit this vulnerability in tarteaucitron.js to compromise the security of affected deployments, potentially impacting confidentiality, integrity, or availability.

This Month Plan within 30 days. Why: MEDIUM severity (CVSS 4.0-6.9).

Patch available 0.0% exploitation probability (EPSS)

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AnalysisAIv1 – Mar 16, 2026

A security vulnerability in tarteaucitron.js (CVSS 4.2). Risk factors: public PoC available. Vendor patch is available.

Earlier versions of this analysis (1)

v1 Mar 16, 2026 - 02:12 CVSS 4.2

RemediationAI

Apply the vendor-supplied patch immediately.

Affected VersionsENISA

tarteaucitron.js < 1.22.0

Affected Packages

npm tarteaucitronjs fix: 1.22.0

euvd tarteaucitron_js fix: 1.22.0

Source: OSV (Open Source Vulnerabilities)

Affects your stack

Affects 2 packages in npm, euvd

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

Vulnerability type not specified by vendor. Affects tarteaucitron.js.

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Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

GitHub Advisory PRIMARY 4.2 MEDIUM

AV:L/AC:L/PR:H/UI:R/S:C/C:N/I:L/A:L

Primary rating from GitHub Advisory · only source for this CVE.

CVSS VectorGitHub Advisory

Attack Vector

Local

Attack Complexity

Low

Privileges Required

High

User Interaction

Required

Scope

Changed

Confidentiality

None

Integrity

Low

Availability

Low

Lifecycle Timeline

Patch released

Mar 16, 2026 - 02:12 nvd

Patch available

PoC Detected

Oct 21, 2025 - 13:56 vuln.today

Public exploit code

CVE Published

Jul 03, 2025 - 17:15 nvd

MEDIUM 4.2

DescriptionGitHub Advisory

tarteaucitron.js is a compliant and accessible cookie banner. Prior to version 1.22.0, a vulnerability was identified in tarteaucitron.js where document.currentScript was accessed without verifying that it referenced an actual <script> element. If an attacker injected an HTML element, it could clobber the document.currentScript property. This causes the script to resolve incorrectly to an element instead of the <script> tag, leading to unexpected behavior or failure to load the script path correctly. This issue arises because in some browser environments, named DOM elements become properties on the global document object. An attacker with control over the HTML could exploit this to change the CDN domain of tarteaucitron. This issue has been patched in version 1.22.0.

Executive ViewAI

Why It Matters

Organizations using tarteaucitron.js should be aware of moderate risk from CVE-2025-48939 rated CVSS 4.2. Exploitation could compromise the security of affected deployments. Proof-of-concept code is publicly available. A patch is available and should be applied during regular vulnerability management.

Business Impact: Low

Compensating Controls

Apply vendor patch. If patching is delayed: restrict network access and enable monitoring.

Threat Intelligence Overview

EPSS Score

0.0%

Top 94% exploitable

Exploit

POC

Public exploit code exists

Data Quality

5 sources

Confidence: Medium

EUVD

NVD

CVE.org

EPSS

GitHub

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue

Severity MEDIUM

CISA KEV No

Public POC Yes

EPSS 0.0%

Patch available Yes

Active threat No

Deciding rule

MEDIUM severity (CVSS 4.0-6.9)

What every action level means

Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.

Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.

This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.

This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.

Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived

Defer

Exploitation· derived

Poc

System Exposure· derived

Small

Automatable· derived

Human Impact

Low

Priority Score

Low Medium High Critical

KEV: 0

EPSS: 0

CVSS: +21

PoC: +20

Weaponized: 0

Threat intel: 0

Gov advisory: 0

Attack Technique

Code Injection CRITICAL

Code injection occurs when an application accepts user input and passes it directly into a language interpreter or evaluator without proper sanitization.