CVE-2026-12176Network attack vector

Reflected XSS via action parameter

Published Jun 13, 2026 · Updated Jun 13, 2026

Reflected XSS in /index.php in SourceCodester CET Automated Grading System 1.0 allows remote attackers to execute script via the action parameter. The /index.php entry point reflects the attacker-controlled action value into its response without neutralizing executable markup. A victim must follow a crafted request; the resulting script can alter page content or issue same-origin requests in that browser session.

CVSS severity4.3
Medium
EPSS probability0.27%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Reflected XSS in /index.php in SourceCodester CET Automated Grading System 1.0 allows remote attackers to execute script via the action parameter. The /index.php entry point reflects the attacker-controlled action value into its response without neutralizing executable markup. A victim must follow a crafted request; the resulting script can alter page content or issue same-origin requests in that browser session.

The record

CVE
CVE-2026-12176
Published
Jun 13, 2026
Updated
Jun 13, 2026
Vendor
Online Computer and Laptop Store Project
Product
CET Automated Grading System with AI Predictive Analytics
Classifications
CWE-79, CWE-94, T1203
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Jun 13, 2026CVE publishedPublication date reported by the CVE source.
  2. Jun 13, 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 privilegesunauthenticated

What is affected?

Online Computer and Laptop Store Project · CET Automated Grading System with AI Predictive Analyticsversion=1.0

Published CVSS scores

2.1VulDBCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P
5.0VulDBAV:N/AC:L/Au:N/C:N/I:P/A:N
4.3VulDBCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N

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
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CWE-94Improper Control of Generation of Code ('Code Injection')
T1203Exploitation for Client Execution

Public exploit references

No public exploit references are available in this record.

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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