What is CVE-2020-25411?

CVE-2020-25411 is a medium-severity vulnerability in Online Examination System Project, classified under Cross-Site Request Forgery (CSRF). CVSS score: 6.5/10. Published 2021-05-24.

How severe is CVE-2020-25411?

Medium severity. CVSS v3 base score is 6.5 out of 10.

CSRF in Online Examination System Project

CVE-2020-25411

Projectworlds Online Examination System 1.0 is vulnerable to CSRF, which allows a remote attacker to delete the existing user.

Vulnerability class: CSRF (Cross-Site Request Forgery)

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

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N.

EPSS exploit prediction

EPSS: 0.007 (49.7th percentile), scored 2026-10-02.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 50th percentile — 49.7% 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-352 — Cross-Site Request Forgery (CSRF)

References

github.com/projectworldsofficial/online-examination-systen-in-php (Product, Third Party Advisory)
nikhilkumar01.medium.com/cve-2020-25411-a245bdf88fb5 (Third Party Advisory)

Frequently asked questions

What is CVE-2020-25411?: CVE-2020-25411 is a medium-severity vulnerability in Online Examination System Project, classified under Cross-Site Request Forgery (CSRF). CVSS score: 6.5/10. Published 2021-05-24.
How severe is CVE-2020-25411?: Medium severity. CVSS v3 base score is 6.5 out of 10.