RCE in Sourcecodester Syllabus-Aligned Learning Management & Examination System
CVE-2026-86278
A vulnerability was found in SourceCodester Syllabus-Aligned Learning Management & Examination System 1.0. The affected element is an unknown function of the file manage_subjects.php. The manipulation of the argument msg/title/content results in cross site scripting. The attack may be performed from remote. The exploit has been made public and could be used.
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.005 (39.7th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 40th percentile — 39.7% 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: 0.005 · change: +0.002
Affected products
Weakness classification (CWE)
References
- github.com/hackliu/Vulnerability-Reports/blob/master/Syllabus Aligned Learning… (exploit)
- vuldb.com/cve/CVE-2026-86278 (third-party-advisory)
- vuldb.com/submit/904879 (third-party-advisory)
- vuldb.com/vuln/399439 (technical-description, vdb-entry)
- vuldb.com/vuln/399439/cti (signature, permissions-required)
- www.sourcecodester.com/ (product)
Frequently asked questions
- What is CVE-2026-86278?
- CVE-2026-86278 is a medium-severity vulnerability in Sourcecodester Syllabus-Aligned Learning Management & Examination System, classified under Cross-site Scripting. CVSS score: 4.3/10. Published 2026-09-07.
- How severe is CVE-2026-86278?
- Medium severity. CVSS v3 base score is 4.3 out of 10.