CVE-2021-43156

Name: CVE-2021-43156
Creator: NVD / NIST
Published: 2021-12-22T18:15:07.6+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.5/10EPSS 0.53%

Last modified Jun 17, 2026

CVE-2021-43156 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. In ProjectWorlds Online Book Store PHP 1.0 a CSRF vulnerability in admin_delete.php allows a remote attacker to delete any book.. EPSS estimates a 0.53% chance of exploitation in the next 30 days.

Description

In ProjectWorlds Online Book Store PHP 1.0 a CSRF vulnerability in admin_delete.php allows a remote attacker to delete any book.

Metrics

CVSS 3.1

6.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N

EPSS Probability

0.53%

40.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-352

Affected Software

Vendor	Product	Versions
Projectworlds	Online Book Store Project In Php	1.0

References

https://github.com/projectworldsofficial/online-book-store-project-in-php/issues/19Exploit, Issue Tracking, Third Party Advisory
https://github.com/projectworldsofficial/online-book-store-project-in-php/issues/19Exploit, Issue Tracking, Third Party Advisory

Timeline

Published: Dec 22, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-43156?

In ProjectWorlds Online Book Store PHP 1.0 a CSRF vulnerability in admin_delete.php allows a remote attacker to delete any book.

How severe is CVE-2021-43156?

CVE-2021-43156 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 0.53% probability of exploitation in the next 30 days.

How do I fix CVE-2021-43156?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-43156?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST