RCE in 1024-Lab Smartadmin
CVE-2026-3721
A weakness has been identified in 1024-lab/lab1024 SmartAdmin up to 3.29. The affected element is an unknown function of the file sa-base/src/main/java/net/lab1024/sa/base/module/support/helpdoc/domain/form/HelpDocAddForm.java of the component Help Documentation Module. This manipulation causes cross site scripting. The attack may be initiated remotely. The exploit has been made available to the public and could be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 3.5 (Low). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N.
EPSS exploit prediction
EPSS: 0.003 (25.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 26th percentile — 25.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: +0.001
Affected products
- 1024-Lab Smartadmin — versions 3.0, 3.1, 3.2
- Lab1024 Smartadmin — versions 3.0, 3.1, 3.2
Weakness classification (CWE)
References
- vuldb.com/ (VDB Entry, Third Party Advisory, vdb-entry)
- vuldb.com/ (signature, Permissions Required, permissions-required, VDB Entry)
- vuldb.com/ (VDB Entry, Third Party Advisory, third-party-advisory)
- www.notion.so/SmartAdmin-Stored-Cross-Site-Scripting-XSS-in-HelpDoc-module-310e… (Exploit, Third Party Advisory, exploit)
Frequently asked questions
- What is CVE-2026-3721?
- CVE-2026-3721 is a low-severity vulnerability in 1024-Lab Smartadmin, classified under Cross-site Scripting. CVSS score: 3.5/10. Published 2026-03-08.
- How severe is CVE-2026-3721?
- Low severity. CVSS v3 base score is 3.5 out of 10.