# CVE-2026-12176: SourceCodester CET Automated Grading System XSS in index.php

Source: https://junglewise.ai/threats/cve-2026-12176-sourcecodester-cet-automated-grading-system-xss-in-index-php  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-06-14. Updated: 2026-06-14  
License: CC BY 4.0 with a link back

CVE-2026-12176 · Severity: medium · CVSS 4.3 · Published 2026-06-14

SourceCodester CET Automated Grading System with AI Predictive Analytics 1.0 is a web application used for managing and grading student assessments. A security vulnerability in the system allows an attacker to perform cross-site scripting (XSS) by manipulating web requests. If exploited, this could allow an attacker to execute malicious scripts in the browser of a legitimate user, potentially leading to unauthorized actions or the theft of session information.

Technologies: [SourceCodester CET Automated Grading System with AI Predictive Analytics](https://junglewise.ai/threats/technologies/cet-automated-grading-system-with-ai-predictive-analytics). Vendors: [SourceCodester](https://junglewise.ai/threats/vendors/sourcecodester).

## Quick answers

**Is CVE-2026-12176 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-12176 being exploited in the wild.

**How severe is CVE-2026-12176?** Medium severity, with a CVSS score of 4.3, published 14 June 2026.

**Which products and versions are affected?** SourceCodester CET Automated Grading System with AI Predictive Analytics 1.0.

**Is there a fix for CVE-2026-12176?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**How is CVE-2026-12176 attacked?** It is attacked over the network, in a web application.

**Am I affected by CVE-2026-12176?** Check whether you run SourceCodester CET Automated Grading System with AI Predictive Analytics at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Technical details

A cross-site scripting (XSS) vulnerability exists in SourceCodester CET Automated Grading System with AI Predictive Analytics 1.0. The flaw is located within the index.php file, where the 'action' parameter is improperly neutralized before being rendered in the web page. A remote attacker can exploit this by crafting a malicious URL that, when visited by a victim, executes arbitrary JavaScript in the context of the victim's browser session. This is classified as a reflected XSS vulnerability (CWE-79) and also carries risks associated with code injection (CWE-94). An exploit for this vulnerability has been disclosed publicly.

## Affected products

- SourceCodester CET Automated Grading System with AI Predictive Analytics 1.0

## Timeline

- 2026-06-14: disclosed: Public disclosure of the vulnerability and exploit.
- 2026-06-14: advisory: CVE-2026-12176 published.

## References

- [https://vuldb.com/cve/CVE-2026-12176](https://vuldb.com/cve/CVE-2026-12176)
- [https://vuldb.com/submit/837732](https://vuldb.com/submit/837732)
- [https://vuldb.com/vuln/370818](https://vuldb.com/vuln/370818)
- [https://vuldb.com/vuln/370818/cti](https://vuldb.com/vuln/370818/cti)
- [https://www.sourcecodester.com/](https://www.sourcecodester.com/)

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