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Vulnerability record · CVE-2021-30177 · published 7 April 2021

CVE-2021-30177: Phpnuke php-nuke sql injection vulnerability

PPhpnuke · Php Nuke

There is a SQL Injection vulnerability in PHP-Nuke 8.3.3 in the User Registration section, leading to remote code execution. This occurs because the U.S. state is not validated to be two letters, and the OrderBy field is not validated to be one of LASTNAME, CITY, or STATE.

9.8 CVSS 3.1 Critical EPSS 2.4% · top 16.9% CWE-89 · SQL injection
9.8CVSS 3.1 base score, v2 7.5
2.4%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

There is a SQL Injection vulnerability in PHP-Nuke 8.3.3 in the User Registration section, leading to remote code execution. This occurs because the U.S. state is not validated to be two letters, and the OrderBy field is not validated to be one of LASTNAME, CITY, or STATE.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://gist.github.com/stacksmasher007/41e946fc9a5a2f0b6950626cc9d43d47 ExploitThird Party Advisory
https://gist.github.com/stacksmasher007/41e946fc9a5a2f0b6950626cc9d43d47 ExploitThird Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2021-30177), CISA KEV, FIRST EPSS (scores of 2026-09-28). This page is refreshed as NVD updates the record.