What is CVE-2020-26006?

CVE-2020-26006 is a medium-severity vulnerability in Online Examination System Project, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2021-05-24.

How severe is CVE-2020-26006?

Medium severity. CVSS v3 base score is 6.1 out of 10.

Is CVE-2020-26006 known to be exploited?

2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

XSS in Online Examination System Project

CVE-2020-26006

Project Worlds Online Examination System 1.0 is affected by Cross Site Scripting (XSS) via account.php.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2021-05-24 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.007 (50.8th percentile), scored 2026-10-02.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 51st percentile — 50.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000

Affected products

Online Examination System Project — versions 1.0

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

Public proof-of-concept exploits

References

github.com/projectworldsofficial/online-examination-systen-in-php/archive/maste… (Product, Third Party Advisory)
nikhilkumar01.medium.com/cve-2020-26006-31f847e16019 (Third Party Advisory)

Frequently asked questions

What is CVE-2020-26006?: CVE-2020-26006 is a medium-severity vulnerability in Online Examination System Project, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2021-05-24.
How severe is CVE-2020-26006?: Medium severity. CVSS v3 base score is 6.1 out of 10.
Is CVE-2020-26006 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.