CVE-2026-34098

Guardian Language-System XSS via id Parameter in media.php

MEDIUM
4.6
CVSS Score
Published: July 1, 2026 at 04:04 PM UTC
Updated: October 25, 2026 at 05:10 PM UTC
1 product affected across 1 vendorLanguage System

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Severity
MEDIUM4.6
Exploit prediction
EPSS 0.2%
SSVC
PoC

Description

Guardian language-system fails to sanitize the id GET parameter before inserting it into HTML source and form action attributes in media.php (lines 119, 129). An authenticated attacker can craft a URL that injects script tags executing in the victim's browser session.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v ≤ e42c395ec4b03fe62973a669c9209a673838b8a4

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

SSVC — Action Prioritization

SSVCPoCNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

4.6MEDIUMVulnCheck
Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
LOW
Integrity
LOW
Availability
NONE
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-79

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