CVE-2026-74253
Joomla Extension - regularlabs.com - Unauthenticated RCE through unverified reflected user input in Sourcerer < 16.0.0 - Regular Labs Sourcerer before 16.0.0 processes {source} blocks found in Joomla’s final rendered HTML without reliably determining where that code originated.
Published:Aug 17, 2026
Last Modified:Aug 26, 2026
EPS:Aug 17, 2026
EPSS Score:0.00323
CVSS Score:10
Affected Products
Vendor
Product
Action
Vendor
Regularlabs.com
Product
Sourcerer Extension For Joomla
Regularlabs.com
Sourcerer Extension For Joomla
Exploits
No exploit reference
Common Weakness Enumeration
Common Attack Pattern Enumeration and Classification (CAPEC)
Related CVEs
References
Common Vulnerability Scoring System
Attack Vector
Network
Adjacent
Local
Physical
Privileges Required
None
Low
High
User Interaction
None
Required
Scope
Unchanged
Changed
Confidentiality
None
Low
High
Integrity
None
Low
High
Availability
None
Low
High
