Is CVE-2026-13499 exploited in the wild?

No. Junglewise Threat Intelligence has no report of CVE-2026-13499 being exploited in the wild.

How severe is CVE-2026-13499?

Medium severity, with a CVSS score of 4.3, published 28 June 2026.

Which products and versions are affected?

Yashpokharna2555 Restaurent-Management-System rolling release.

Is there a fix for CVE-2026-13499?

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-2026-13499 attacked?

It is attacked over the network, in a web application.

Am I affected by CVE-2026-13499?

Check whether you run Yashpokharna2555 Restaurent-Management-System 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.

CVE-2026-13499: yashpokharna2555 Restaurant Management System Stored XSS in Registration Handler

CVE-2026-13499 · Severity: medium · CVSS 4.3 · Published 2026-06-28

A security vulnerability exists in the yashpokharna2555 Restaurant Management System, a web application used for managing restaurant operations. An attacker can register an account with a malicious username that, when viewed by other users or administrators, executes unauthorized scripts in their web browser. This could lead to unauthorized actions being performed on behalf of users, such as session hijacking or redirection to malicious websites.

Vendors: Yashpokharna2555.

Quick answers

Is CVE-2026-13499 exploited in the wild?: No. Junglewise Threat Intelligence has no report of CVE-2026-13499 being exploited in the wild.
How severe is CVE-2026-13499?: Medium severity, with a CVSS score of 4.3, published 28 June 2026.
Which products and versions are affected?: Yashpokharna2555 Restaurent-Management-System rolling release.
Is there a fix for CVE-2026-13499?: 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-2026-13499 attacked?: It is attacked over the network, in a web application.
Am I affected by CVE-2026-13499?: Check whether you run Yashpokharna2555 Restaurent-Management-System 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 stored Cross-Site Scripting (XSS) vulnerability exists in the Registration Handler component of the Restaurant Management System. The root cause is the failure to sanitize the 'Username' argument in 'login_register.php' before storing it in the database, and subsequently failing to apply output encoding (such as htmlspecialchars) when rendering the session username in 'index.php'. An attacker can register a new account with a JavaScript payload as the username. When any user (including the attacker) logs in and visits the index page, the payload is executed in the context of their browser session. This can be used to steal session cookies or perform unauthorized actions. As of the advisory date, the project has not responded to the issue report.

Affected products

yashpokharna2555 restaurent-management-system rolling release

Timeline

2026-05-27: disclosed: Issue reported to the developer on GitHub
2026-06-28: advisory: CVE published and public exploit released

References

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