What is CVE-2026-4557?

CVE-2026-4557 is a medium-severity vulnerability in Code-Projects Exam Form Submission, classified under Cross-site Scripting. CVSS score: 4.3/10. Published 2026-03-22.

How severe is CVE-2026-4557?

Medium severity. CVSS v3 base score is 4.3 out of 10.

RCE in Code-Projects Exam Form Submission

CVE-2026-4557

A vulnerability was detected in code-projects Exam Form Submission 1.0. This impacts an unknown function of the file /admin/update_s1.php. Performing a manipulation of the argument sname results in cross site scripting. The attack may be initiated remotely. The exploit is now public and may be used.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.003 (18.3th percentile) — read the EPSS interpretation.

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.

Affected products

Code-projects Exam Form Submission — versions 1.0

Weakness classification (CWE)

References

cna@vuldb.com (technical-description, vdb-entry)
cna@vuldb.com (signature, permissions-required)
cna@vuldb.com (third-party-advisory)
cna@vuldb.com (issue-tracking, exploit)
cna@vuldb.com (product)

Frequently asked questions

What is CVE-2026-4557?: CVE-2026-4557 is a medium-severity vulnerability in Code-Projects Exam Form Submission, classified under Cross-site Scripting. CVSS score: 4.3/10. Published 2026-03-22.
How severe is CVE-2026-4557?: Medium severity. CVSS v3 base score is 4.3 out of 10.