Vulnerability in Sourcecodester Online Book Store System
CVE-2026-15540
A vulnerability was detected in SourceCodester Online Book Store System 1.0. The affected element is an unknown function of the file /admin/index.php of the component Administrative Interface. Performing a manipulation of the argument page results in improper control of filename for include/require statement in php program. It is possible to initiate the attack remotely. The exploit is now public and may be used.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.
EPSS exploit prediction
EPSS: 0.004 (34.4th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 34th percentile — 34.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000
Affected products
- Sourcecodester Online Book Store System — versions 1.0
Weakness classification (CWE)
References
- vuldb.com/vuln/377890 (technical-description, vdb-entry)
- vuldb.com/vuln/377890/cti (signature, permissions-required)
- vuldb.com/cve/CVE-2026-15540 (third-party-advisory)
- vuldb.com/submit/855048 (third-party-advisory)
- medium.com/@hemantrajbhati5555/local-file-inclusion-lfi-via-page-parameter-lead… (exploit, broken-link)
- www.sourcecodester.com/ (product)
Frequently asked questions
- What is CVE-2026-15540?
- CVE-2026-15540 is a medium-severity vulnerability in Sourcecodester Online Book Store System, classified under External Control of File Name or Path. CVSS score: 4.3/10. Published 2026-07-13.
- How severe is CVE-2026-15540?
- Medium severity. CVSS v3 base score is 4.3 out of 10.