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PUBLISHED

2026-05-13 18:16

MODIFIED

2026-05-13 18:17

CVSS_SCORE V3

6.1

EPSS (Prob. Exploit)

0.21%

Top 89.5%

DATA SOURCES:

NVD 🔗 2026-05-13 CWE MITRE 🔗 2026-11-01 FIRST EPSS 🔗 2026-11-01 GITHUB 🔗 2026-11-05 OSV 🔗 2026-11-02

> DESCRIPTION

Next.js is a React framework for building full-stack web applications. From 13.0.0 to before 15.5.16 and 16.2.5, applications that use beforeInteractive scripts together with untrusted content can be vulnerable to cross-site scripting. In affected versions, serialized script content was not escaped safely before being embedded into the document, which could allow attacker-controlled input to break out of the intended script context and execute arbitrary JavaScript in a visitor's browser. This vulnerability is fixed in 15.5.16 and 16.2.5.

> AFFECTED_PRODUCTS

ℹ️ Aucun produit affecté n'a encore été publié par NVD pour cette CVE.

> CVSS V3 METRICS

CVSS_VECTOR

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

EXPLOITABILITY

2.8

IMPACT

2.7

> MÉTRIQUES CVSS DÉTAILLÉES

                CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
            

Métrique	Valeur	Interprétation
AV (Vecteur d'Attaque) Attack Vector	Network (N)	Exploit possible à distance via réseau (HTTP, API, etc.)
AC (Complexité d'Attaque) Attack Complexity	Low (L)	Peu de conditions requises pour exploiter
PR (Privilèges Requis) Privileges Required	None (N)	Aucune authentification requise
UI (Interaction Utilisateur) User Interaction	Required (R)	Nécessite une action utilisateur (clic lien, ouverture fichier, etc.)
S (Périmètre) Scope	Changed (C)	Impact s'étend au-delà du composant compromis
C (Impact Confidentialité) Confidentiality Impact	Low (L)	Divulgation limitée d'informations
I (Impact Intégrité) Integrity Impact	Low (L)	Modification limitée des données possible
A (Impact Disponibilité) Availability Impact	None (N)	Aucune interruption de service

> RÉSUMÉ DES IMPACTS

Confidentialité

Low

Divulgation limitée d'informations

Intégrité

Low

Modification limitée des données possible

Disponibilité

None

Aucune interruption de service

> WEAKNESSES

CWE-79

> CWE DETAILED DESCRIPTIONS

CWE-79: Improper Neutralization of Input During Web Page Generation - 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.

> GITHUB SECURITY ADVISORY

GHSA-gx5p-jg67-6x7h MODERATE

Next.js has cross-site scripting in beforeInteractive scripts with untrusted input

AFFECTED PACKAGES:

NPM / next

>= 16.0.0, < 16.2.5

Fixed in: 16.2.5

NPM / next

>= 13.0.0, < 15.5.16

Fixed in: 15.5.16

> OSV (GOOGLE OPEN SOURCE VULNERABILITIES)

Next.js: Cross-site scripting in beforeInteractive scripts with untrusted input

AFFECTED PACKAGES:

Unknown / Unknown

1829 versions affected

ALIASES:

GHSA-gx5p-jg67-6x7h

> HISTORIQUE DES MODIFICATIONS

Première apparition

13/05/2026 18:16

Source: NVD

📊 ENRICHISSEMENT 01/11/2026 06:59

CWE

Champ modifié: Description CWE

Ancienne valeur:

CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') - The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in...

Nouvelle valeur:

📊 ENRICHISSEMENT 01/06/2026 06:01

CWE