Medium severity · published Jul 13, 2026
CVE-2026-15539
SourceCodester Online Book Store System Book Image Upload Feature index.php books unrestricted upload
4.7
CVSS
0.4%
EPSS
No
On KEV
Description
A security vulnerability has been detected in SourceCodester Online Book Store System 1.0. Impacted is an unknown function of the file /admin/index.php?page=books of the component Book Image Upload Feature. Such manipulation leads to unrestricted upload. The attack may be performed from remote. The exploit has been disclosed publicly and may be used.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L
Attack vector
Network
Complexity
Low
Privileges
High
User interaction
None
Confidentiality
Low
Integrity
Low
Availability
Low
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 34% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
OB
Online Book Store System · SourceCodester
1.0 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-15539
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-15539
medium.com
https://medium.com/@hemantrajbhati5555/critical-authenticated-remote-code-execution-rce-via-unrestricted-file-upload-5a4a313ea1f1
vuldb.com
https://vuldb.com/cve/CVE-2026-15539
vuldb.com
https://vuldb.com/submit/855046
vuldb.com
https://vuldb.com/vuln/377889
vuldb.com
https://vuldb.com/vuln/377889/cti
www.sourcecodester.com
https://www.sourcecodester.com/
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