CVE-2021-43698

6.1 mediumEPSS 0.6%

Medium (6.1) in phpwhois project phpwhois. EPSS 0.6% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

6.1 medium

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

EPSS: 0.6% chance of exploitation in the next 30 days; higher than 50% of CVEs (scores of 2026-10-31)
CWE: CWE-79
Published: 2021-11-29
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

phpwhois_project:phpwhois

References

https://github.com/sparc/phpWhois.org/issues/21
https://github.com/sparc/phpWhois.org/issues/21

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