CVE-2024-21724

[20240203] - Core - XSS in media selection fields

MEDIUM
6.1
CVSS Score
Published: February 20, 2024 at 04:22 PM UTC
Updated: June 17, 2026 at 07:10 AM UTC
1 product affected across 1 vendorJoomla!

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Severity
MEDIUM6.1
Exploit prediction
EPSS 0.5%
SSVC
No known exploit

Description

Inadequate input validation for media selection fields lead to XSS vulnerabilities in various extensions.

Affected

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

1.6.0 ≤ v < 3.10.154.0.0 ≤ v < 4.4.35.0.0 ≤ v < 5.0.31.6.0-3.10.144.0.0-4.4.25.0.0-5.0.2
Affected range stops below 3.10.15, so it looks safe — our inference, not a vendor statement
Affected range stops below 4.4.3, so it looks safe — our inference, not a vendor statement
Affected range stops below 5.0.3, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

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

CVSS

6.1MEDIUMCISA-ADP
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality
LOW
Integrity
LOW
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-79

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