# CVE-2026-116515: itsourcecode Online Book Store SQL injection in /book.php

Source: https://junglewise.ai/threats/cve-2026-116515-a-security-vulnerability-has-been-detected-in-itsourcecode  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-10-26. Updated: 2026-10-26  
License: CC BY 4.0 with a link back

CVE-2026-116515 · Severity: medium · CVSS 6.3 · Published 2026-10-26

itsourcecode Online Book Store is a web application for managing and displaying books online. A SQL injection vulnerability in the book ISBN parameter allows remote attackers to execute arbitrary database queries, potentially exposing sensitive book data, user information, or gaining unauthorized access to the system.

Vendors: [Itsourcecode](https://junglewise.ai/threats/vendors/itsourcecode).

## Quick answers

**Is CVE-2026-116515 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-116515 being exploited in the wild.

**How severe is CVE-2026-116515?** Medium severity, with a CVSS score of 6.3, published 26 October 2026.

**Which products and versions are affected?** Itsourcecode Online Book Store 1.0.

**Is there a fix for CVE-2026-116515?** 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-2026-116515 attacked?** It is attacked over the network, in a web application.

**Am I affected by CVE-2026-116515?** Check whether you run Itsourcecode Online Book Store 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 SQL injection vulnerability exists in /book.php where the bookisbn parameter is improperly sanitized, allowing an attacker to inject malicious SQL commands. The vulnerability is remotely exploitable without authentication, and the exploit has been publicly disclosed. An attacker can manipulate the bookisbn argument to extract or modify database records.

## Affected products

- itsourcecode Online Book Store 1.0

## Timeline

- 2026-10-26: disclosed

## References

- [https://github.com/yuyanyan888/freecode/issues/2](https://github.com/yuyanyan888/freecode/issues/2)
- [https://itsourcecode.com/](https://itsourcecode.com/)

## Related threats

- [itsourcecode Online Book Store SQL injection in admin_edit.php](https://junglewise.ai/threats/cve-2026-123028-a-vulnerability-was-identified-in-itsourcecode-online-book-store)