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Content Templater Extension For Joomla CVE-2026-63684

| EUVDEUVD-2026-47804 HIGH
Cross-Site Request Forgery (CSRF) (CWE-352)
2026-07-22 Joomla
8.8
CVSS 3.1 · Vendor: Joomla
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Severity by source

Vendor (Joomla) PRIMARY
8.8 HIGH
AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Primary rating from Vendor (Joomla) · only source for this CVE.

CVSS VectorVendor: Joomla

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

4
Analysis Generated
Jul 27, 2026 - 18:23 vuln.today
CVSS changed
Jul 27, 2026 - 18:22 NVD
8.8 (HIGH)
CVE Published
Jul 22, 2026 - 20:39 cve.org
HIGH 8.8
CVE Published
Jul 22, 2026 - 20:39 cve.org
UNKNOWN (no severity yet)

DescriptionCVE.org

Administrator actions, editor popups and import/export requests lacked consistent token, item-permission and input-validation checks. Unauthorized backend users or CSRF attacks could expose, create or modify extension configuration and items.

AnalysisAI

Missing CSRF tokens, item-permission, and input-validation checks in Regular Labs Joomla extensions (Content Templater, ReReplacer, Snippets) allow unauthorized backend users or CSRF attacks to expose, create, or modify extension configuration and items. This high-severity flaw (CVSS 8.8) affects multiple versions, with low exploitation probability (EPSS 0.13%). …

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CVE-2026-63684 vulnerability details – vuln.today

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