CVE-2026-4576Public exploitNetwork attack vector

Authenticated browser script execution via unencoded sname output

Published Mar 23, 2026 · Updated Mar 23, 2026

Cross-site scripting in Code Projects Exam Form Submission 1.0 allows remote authenticated users to execute scripts via sname. The /admin/update_s5.php endpoint writes the submitted sname value into its response without output encoding or filtering. Exploitation requires high-privileged access and victim interaction; the script can alter content and actions within the victim's browser.

CVSS severity2.4
Low
EPSS probability0.21%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Cross-site scripting in Code Projects Exam Form Submission 1.0 allows remote authenticated users to execute scripts via sname. The /admin/update_s5.php endpoint writes the submitted sname value into its response without output encoding or filtering. Exploitation requires high-privileged access and victim interaction; the script can alter content and actions within the victim's browser.

The record

CVE
CVE-2026-4576
Published
Mar 23, 2026
Updated
Mar 23, 2026
Vendor
Tutorials Website
Product
Exam Form Submission
Classifications
CWE-94, CWE-79
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Mar 23, 2026CVE publishedPublication date reported by the CVE source.
  2. Mar 23, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=1.0

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Tutorials Website · Exam Form Submissionversion=1.0

Published CVSS scores

2.4VulDBCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:N/I:L/A:N
3.3VulDBAV:N/AC:L/Au:M/C:N/I:P/A:N
1.9VulDBCVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-94Improper Control of Generation of Code ('Code Injection')
CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Public exploit references

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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