RCE in Code-Projects Project Management System
CVE-2026-13504
A vulnerability has been found in code-projects Project Management System 1.0. This vulnerability affects unknown code of the file /mail.php of the component Mail Compose Page. Such manipulation leads to cross site scripting. The attack may be performed from remote. The exploit has been disclosed to the public and may be used.
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 (25.8th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 26th percentile — 25.8% 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: 0.000
Affected products
- Code-Projects Project Management System — versions 1.0
Weakness classification (CWE)
References
- vuldb.com/vuln/374499 (vdb-entry)
- vuldb.com/vuln/374499/cti (signature, permissions-required)
- vuldb.com/cve/CVE-2026-13504 (third-party-advisory)
- vuldb.com/submit/838683 (third-party-advisory)
- github.com/MyMySSS/CVE123/blob/main/cve4/PMS_CVE_Submission.md (exploit)
- code-projects.org/ (product)
Frequently asked questions
- What is CVE-2026-13504?
- CVE-2026-13504 is a low-severity vulnerability in Code-Projects Project Management System, classified under Cross-site Scripting. CVSS score: 3.5/10. Published 2026-06-28.
- How severe is CVE-2026-13504?
- Low severity. CVSS v3 base score is 3.5 out of 10.