> CVE-2026-25733 [HIGH]

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PUBLISHED
2026-02-25 20:23
MODIFIED
2026-02-25 20:23
CVSS_SCORE V3
7.3
EPSS (Prob. Exploit)
0.48%
Top 59.8%
DATA SOURCES:
NVD 🔗 2026-02-25 CWE MITRE 🔗 2026-11-01 FIRST EPSS 🔗 2026-10-25 GITHUB 🔗 2026-11-05 OSV 🔗 2026-09-13

> DESCRIPTION

Rucio is a software framework that provides functionality to organize, manage, and access large volumes of scientific data using customizable policies. Versions prior to 35.8.3, 38.5.4, and 39.3.1 have a stored Cross-Site Scripting (XSS) vulnerability in the Custom Rules function of the WebUI where attacker-controlled input is persisted by the backend and later rendered in the WebUI without proper output encoding. This allows arbitrary JavaScript execution in the context of the WebUI for users who view affected pages, potentially enabling session token theft or unauthorized actions. Versions 35.8.3, 38.5.4, and 39.3.1 fix the issue.

> 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:L/UI:R/S:U/C:H/I:H/A:N
EXPLOITABILITY
2.1
IMPACT
5.2

> MÉTRIQUES CVSS DÉTAILLÉES

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/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
Low (L)
Authentifié avec compte utilisateur basique
UI (Interaction Utilisateur)
User Interaction
Required (R)
Nécessite une action utilisateur (clic lien, ouverture fichier, etc.)
S (Périmètre)
Scope
Unchanged (U)
Impact reste dans le périmètre du composant compromis
C (Impact Confidentialité)
Confidentiality Impact
High (H)
Divulgation totale d'informations
I (Impact Intégrité)
Integrity Impact
High (H)
Modification totale des données possible
A (Impact Disponibilité)
Availability Impact
None (N)
Aucune interruption de service

> RÉSUMÉ DES IMPACTS

Confidentialité
High
Divulgation totale d'informations
Intégrité
High
Modification totale des données possible
Disponibilité
None
Aucune interruption de service

> WEAKNESSES

CWE-79 CWE-1004

> 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. | CWE-1004: Sensitive Cookie Without 'HttpOnly' Flag - The product uses a cookie to store sensitive information, but the cookie is not marked with the HttpOnly flag.

> GITHUB SECURITY ADVISORY

GHSA-rwj9-7j48-9f7q HIGH

Rucio WebUI Vulnerable to Stored Cross-site Scripting (XSS) through Custom Rule Function

AFFECTED PACKAGES:
PIP / rucio-webui
>= 39.0.0rc1, < 39.3.1
Fixed in: 39.3.1
PIP / rucio-webui
>= 36.0.0rc1, < 38.5.4
Fixed in: 38.5.4
PIP / rucio-webui
< 35.8.3
Fixed in: 35.8.3

> OSV (GOOGLE OPEN SOURCE VULNERABILITIES)

Rucio WebUI Vulnerable to Stored Cross-site Scripting (XSS) through Custom Rule Function

AFFECTED PACKAGES:
Unknown / Unknown
300 versions affected
ALIASES:
GHSA-rwj9-7j48-9f7q, PYSEC-2026-3058

> HISTORIQUE DES MODIFICATIONS

Première apparition
25/02/2026 20:23
Source: NVD
📊 ENRICHISSEMENT 01/11/2026 06:58
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:
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...
📊 ENRICHISSEMENT 01/03/2026 06:46
CWE
Champ modifié: Description CWE
Ancienne valeur:
N/A
Nouvelle 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...
Total des modifications: 2 Dernière mise à jour: 1 week ago

> REFERENCES

https://cheatsheetseries.owasp.org/cheatsheets/Cross_Site_Scripting_Prevention_C...
https://github.com/rucio/rucio/releases/tag/35.8.3
https://github.com/rucio/rucio/releases/tag/38.5.4
https://github.com/rucio/rucio/releases/tag/39.3.1
https://github.com/rucio/rucio/security/advisories/GHSA-rwj9-7j48-9f7q
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