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WordPress component - Cross-Site Scripting (XSS) (CVE-2023-4847)

CVE-2023-4847

Vulnerability CVE-2023-4847 LOW

A vulnerability classified as problematic has been found in SourceCodester Simple Book Catalog App 1.0. Affected is an unknown function of the component Update Book Form. The manipulation of the argument book_title/book_author leads to cross site scripting. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. The identifier of this vulnerability is VDB-239256.

CVE-2023-4847

LOW CVSS 3.5 Published 2023-09-09 Updated 2026-06-17
AI Risk Moderate (43/100) Active Exploit: No strong signal Published Exploit: Possible PoC indicators Priority: P4 Planned
Severity Band LOW
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N
Affected Components 1
Reference Links 3
AI Risk Engine Moderate (43/100)
Exploitability High
Active Exploitation No strong signal
Published Exploit Status Possible PoC indicators

Threat Timeline

  1. 2023-09-09 CVE published and first recorded in the threat feed.
  2. 2026-06-17 Record updated with latest vulnerability metadata.
  3. 2026-09-19 AI technical context refreshed for mitigation and impact guidance.
  4. Now Monitoring for follow-up changes, linked references, and new related CVEs.

AI Context

Machine-generated threat intelligence

AI Updated 46 days ago

AI enriched 46 days ago (2026-09-19 04:03 UTC)

Technical Summary

A vulnerability classified as problematic has been found in SourceCodester Simple Book Catalog App 1.0. Affected is an unknown function of the component Update Book Form. The manipulation of the argument book_title/book_author leads to cross site scripting. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. The identifier of this vulnerability is VDB-239256.

Potential Impact

Severity is LOW (CVSS 3.5). Depending on deployment context, affected components may be exposed to unauthorized actions or data integrity risk.

Exploitability Assessment

Exploitability is assessed as High based on remote code execution potential.

Primary risk drivers: remote code execution potential

Mitigation Recommendations

Validate affected product versions, prioritize patching, and monitor references for vendor remediation guidance. If immediate patching is not possible, apply compensating controls and limit exposure of vulnerable surfaces.

Detection & Monitoring

Track authentication anomalies, unexpected file writes, and suspicious plugin API activity around affected components.

Business Impact Lens

AI risk score 43/100 (Moderate, High) with priority P4 Planned. Prioritize remediation where affected components process customer data, admin sessions, or Internet-exposed workflows.

Affected Products

WordPress component COMPONENT · unmapped Affected range not specified Fixed version not specified

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References

What to do about this

Low priority Contained impact, or it needs privileges an attacker would rarely already hold.

Fix it

Update WordPress component to the latest available version.

Where the vendor has not published a fix yet, disable the plugin until they do.

No Hack Halt control meaningfully contains this one — updating is the remedy. We would rather say so than sell you something that will not help.

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Not sure if you are affected?

Scan your site to see whether it runs WordPress component, and at which version.

Free, no installation, no account. It reads what your site already publishes, then tells you which plugins carry known vulnerabilities and what to do about each one.

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Am I affected by this vulnerability?

You are affected if your site runs WordPress component.

How do I fix it?

Update WordPress component to the latest available version. Where the vendor has not yet published a fix, remove or disable the plugin until they do.

What can an attacker actually do?

This is a Cross-Site Scripting (XSS) flaw. An attacker who exploits it can run script in a visitor's browser, stealing sessions or planting an administrator account.

WordPress security that blocks attacks before they land.

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