CVE-2026-19904Public exploitNetwork attack vector

Stored script execution via unsanitized system settings

Published Aug 15, 2026 · Updated Aug 15, 2026

Stored cross-site scripting in SourceCodester Online Book Store System 1.0 allows remote authenticated users to run script in another user's browser. Public materials identify the System Settings handler at /admin/index.php?page=site_settings as the storage and rendering locus, but do not disclose the exact parameter or output sink. Exploitation requires administrative access and another user to render the persisted payload; the reported consequence is limited to browser-side content modification.

CVSS severity2.4
Low
EPSS probability0.21%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Stored cross-site scripting in SourceCodester Online Book Store System 1.0 allows remote authenticated users to run script in another user's browser. Public materials identify the System Settings handler at /admin/index.php?page=site_settings as the storage and rendering locus, but do not disclose the exact parameter or output sink. Exploitation requires administrative access and another user to render the persisted payload; the reported consequence is limited to browser-side content modification.

The record

CVE
CVE-2026-19904
Published
Aug 15, 2026
Updated
Aug 15, 2026
Vendor
Online Computer and Laptop Store Project
Product
Online Book Store System
Classifications
CWE-79, T1059.007
Attack vector
network
Privileges
admin

Timeline

How it unfolded

  1. Aug 15, 2026CVE publishedPublication date reported by the CVE source.
  2. Aug 15, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=1.0

What conditions does exploitation require?

Attack vectornetwork
Required privilegesadmin

What is affected?

Online Computer and Laptop Store Project · Online Book Store Systemversion=1.0

Published CVSS scores

2.4NVDCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:N/I:L/A:N
3.3NVDAV:N/AC:L/Au:M/C:N/I:P/A:N
4.8NVDCVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesadmin
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
T1059.007JavaScript/JScript

Public exploit references

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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