CVE-2026-4577: code-projects exam_form_submission Cross-site Scripting

Vulnerability summary

CVE-2026-4577 is a medium (CVSS 4.8) Cross-site Scripting vulnerability in code-projects exam_form_submission. EPSS estimates a 0.36% chance of exploitation in the next 30 days, higher than 28.7% of scored vulnerabilities. 1 public exploit is recorded.

Timeline

1. 23-03-2026
   PublishedVulnerability first disclosed.
2. 23-03-2026
   Last modifiedVulnerability information updated.

Description

A vulnerability was found in code-projects Exam Form Submission 1.0. The affected element is an unknown function of the file /admin/update_s4.php. Performing a manipulation of the argument sname results in cross site scripting. The attack may be initiated remotely. The exploit has been made public and could be used.

• CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.
• CWE-94Improper Control of Generation of Code ('Code Injection')The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment.