RCE in Code-projects Simple Chatbox
CVE-2026-6159
A vulnerability has been found in code-projects Simple ChatBox up to 1.0. Affected by this vulnerability is an unknown functionality of the file /chatbox/insert.php of the component Endpoint. Such manipulation of the argument msg leads to…
Vulnerability class: XSS (Cross-Site Scripting)
EPSS: 0.000 (11.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N.
Affected products
- Code-projects Simple Chatbox — versions 1.0
Weakness classification (CWE)
References
- VDB-357039 | code-projects Simple ChatBox Endpoint insert.php cross site scripting (technical-description, vdb-entry)
- VDB-357039 | CTI Indicators (IOB, IOC, TTP, IOA) (signature, permissions-required)
- Submit #796666 | code-projects Simple ChatBox In PHP 1.0 Cross Site Scripting (third-party-advisory)
- cna@vuldb.com (exploit)
- cna@vuldb.com (product)
Frequently asked questions
- What is CVE-2026-6159?
- CVE-2026-6159 is a medium-severity vulnerability in Code-projects Simple Chatbox, classified under Cross-site Scripting. CVSS score: 4.3/10. Published 2026-04-13.
- How severe is CVE-2026-6159?
- Medium severity. CVSS v3 base score is 4.3 out of 10.