RCE in Projectworlds Online Examination System
CVE-2026-86238
A vulnerability was determined in projectworlds Online Examination System 1.0. The affected element is an unknown function of the file feedback.php of the component Feedback Form. Executing a manipulation of the argument Name/Subject can lead to cross site scripting. The attack may be launched remotely. The exploit has been publicly disclosed and may be utilized.
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: 0.004 (37.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 38th percentile — 37.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: +0.000
Affected products
- Projectworlds Online Examination System — versions 1.0
Weakness classification (CWE)
References
- vuldb.com/vuln/399395 (technical-description, vdb-entry)
- vuldb.com/vuln/399395/cti (signature, permissions-required)
- vuldb.com/cve/CVE-2026-86238 (third-party-advisory)
- vuldb.com/submit/901822 (third-party-advisory)
- github.com/CyberShailendra1/Online-Examination-System-Project (exploit)
Frequently asked questions
- What is CVE-2026-86238?
- CVE-2026-86238 is a medium-severity vulnerability in Projectworlds Online Examination System, classified under Cross-site Scripting. CVSS score: 4.3/10. Published 2026-09-07.
- How severe is CVE-2026-86238?
- Medium severity. CVSS v3 base score is 4.3 out of 10.