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Vulnerability record · CVE-2021-43698 · published 29 November 2021

CVE-2021-43698: Phpwhois project phpwhois cross-site scripting vulnerability

Phpwhois Project · Phpwhois

phpWhois (last update Jun 30 2021) is affected by a Cross Site Scripting (XSS) vulnerability. In file example.php, the exit function will terminate the script and print the message to the user. The message will contain $_GET['query'] then there is a XSS vulnerability.

6.1 CVSS 3.1 Medium EPSS 0.63% · top 52.0% CWE-79 · Cross-site scripting
6.1CVSS 3.1 base score, v2 4.3
0.63%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

phpWhois (last update Jun 30 2021) is affected by a Cross Site Scripting (XSS) vulnerability. In file example.php, the exit function will terminate the script and print the message to the user. The message will contain $_GET['query'] then there is a XSS vulnerability.

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

Affected products

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

References

LinkTags
https://github.com/sparc/phpWhois.org/issues/21 ExploitIssue TrackingThird Party Advisory
https://github.com/sparc/phpWhois.org/issues/21 ExploitIssue TrackingThird Party Advisory

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

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Source: NIST National Vulnerability Database (record CVE-2021-43698), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.