What is CVE-2026-15537?

CVE-2026-15537 is a high-severity vulnerability in Sourcecodester Online Book Store System, classified under Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection). CVSS score: 7.3/10. Published 2026-07-13.

How severe is CVE-2026-15537?

High severity. CVSS v3 base score is 7.3 out of 10.

SQL Injection in Sourcecodester Online Book Store System

CVE-2026-15537

A security flaw has been discovered in SourceCodester Online Book Store System 1.0. This vulnerability affects unknown code of the file admin/login.php. The manipulation of the argument Username results in sql injection. The attack can be executed remotely. The exploit has been released to the public and may be used for attacks.

EPSS: 0.004 (35.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.3 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L.

Affected products

Sourcecodester Online Book Store System — versions 1.0

Weakness classification (CWE)

References

cna@vuldb.com (technical-description, vdb-entry)
cna@vuldb.com (signature, permissions-required)
cna@vuldb.com (third-party-advisory)
cna@vuldb.com (third-party-advisory)
cna@vuldb.com (exploit, broken-link)
cna@vuldb.com (product)

Frequently asked questions

What is CVE-2026-15537?: CVE-2026-15537 is a high-severity vulnerability in Sourcecodester Online Book Store System, classified under Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection). CVSS score: 7.3/10. Published 2026-07-13.
How severe is CVE-2026-15537?: High severity. CVSS v3 base score is 7.3 out of 10.