> CVE-2026-8438 [HIGH]

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PUBLISHED
2026-06-06 02:16
MODIFIED
2026-06-06 02:16
CVSS_SCORE V3
7.2
EPSS (Prob. Exploit)
9.89%
Top 4.4%
DATA SOURCES:
NVD đź”— 2026-06-06 CWE MITRE đź”— 2026-11-01 FIRST EPSS đź”— 2026-11-01 GITHUB đź”— 2026-11-05

> DESCRIPTION

The All-In-One Security (AIOS) – Security and Firewall plugin for WordPress is vulnerable to Stored Cross-Site Scripting in versions up to and including 5.4.7. This is due to insufficient input sanitization in the get_rest_route() function and missing output escaping in the column_default() method of the debug log list table. When the 'Disable REST API for non-logged in users' feature (aiowps_disallow_unauthorized_rest_requests) is enabled alongside debug logging (aiowps_enable_debug), an unauthenticated attacker can embed arbitrary HTML or JavaScript in the REST request path. The path is retrieved via urldecode($_SERVER['REQUEST_URI']), which decodes URL-encoded payloads into literal HTML characters. This decoded, unsanitized value is concatenated directly into a debug log message and stored in the database. When an administrator navigates to the AIOS Dashboard Debug Logs page, the column_default() method returns the raw database value without escaping, and the parent list table echoes it directly, causing JavaScript execution in the administrator's browser session. This makes it possible for unauthenticated attackers to inject arbitrary web scripts that execute when an administrator views the debug log page, enabling nonce theft, privileged AJAX/REST actions, and potential full site compromise.

> 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:N/S:C/C:L/I:L/A:N
EXPLOITABILITY
3.9
IMPACT
2.7

> MÉTRIQUES CVSS DÉTAILLÉES

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/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
None (N)
Aucune interaction utilisateur nécessaire
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-8xx6-hgc6-gc2m HIGH

HTTPX2: Streaming response decompression does not bound peak memory (decompression amplification)

AFFECTED PACKAGES:
PIP / httpx2
< 2.12.0
Fixed in: 2.12.0

> HISTORIQUE DES MODIFICATIONS

Première apparition
06/06/2026 02:16
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:
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 01/07/2026 06:01
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: 6 days ago

> REFERENCES

https://plugins.trac.wordpress.org/browser/all-in-one-wp-security-and-firewall/t...
https://plugins.trac.wordpress.org/browser/all-in-one-wp-security-and-firewall/t...
https://plugins.trac.wordpress.org/browser/all-in-one-wp-security-and-firewall/t...
https://plugins.trac.wordpress.org/browser/all-in-one-wp-security-and-firewall/t...
https://plugins.trac.wordpress.org/browser/all-in-one-wp-security-and-firewall/t...
https://plugins.trac.wordpress.org/browser/all-in-one-wp-security-and-firewall/t...
https://plugins.trac.wordpress.org/browser/all-in-one-wp-security-and-firewall/t...
https://plugins.trac.wordpress.org/browser/all-in-one-wp-security-and-firewall/t...
https://plugins.trac.wordpress.org/changeset/3558989/
https://www.wordfence.com/threat-intel/vulnerabilities/id/d2b7ed73-a654-40ef-8d8...
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