CVE-2026-74253Joomla Extension - regularlabs.com - Unauthenticated RCE through unverified reflected user input in Sourcerer < 16.0.0
Updated under an hour ago ()
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It affects regularlabs.com Sourcerer extension for Joomla. Add what you run to find out whether that includes you.
No exploitation reported and no EPSS estimate yet.
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Free account, 1 product
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.
- CVSS
- 10.0 CRITICAL (v4.0, CNA)CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
- Weakness (CWE)
- CWE-94
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- Joomla
- NVD analysis
- Deferred
- Record last updated
- Aug 26, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
regularlabs.com Sourcerer extension for Joomla regularlabs.com:sourcerer_extension_for_joomla (from the name) | 1.0.0-15.0.0 | CNA record |
References
- https://regularlabs.com/product
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.