CVE-2021-35438

Name: CVE-2021-35438
Creator: NVD / NIST
Published: 2021-06-23T15:15:08.627+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.1/10EPSS 1.01%

Last modified Jun 17, 2026

CVE-2021-35438 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. phpIPAM 1.4.3 allows Reflected XSS via app/dashboard/widgets/ipcalc-result.php and app/tools/ip-calculator/result.php of the IP calculator.. EPSS estimates a 1.01% chance of exploitation in the next 30 days.

Description

phpIPAM 1.4.3 allows Reflected XSS via app/dashboard/widgets/ipcalc-result.php and app/tools/ip-calculator/result.php of the IP calculator.

Metrics

CVSS 3.1

6.1/10

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

EPSS Probability

1.01%

58.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Phpipam	Phpipam	1.4.3

References

https://github.com/MarkLee131/awesome-web-pocs/blob/main/CVE-2021-35438.md
https://github.com/phpipam/phpipam/issues/3351Exploit, Issue Tracking, Patch, Third Party Advisory
https://github.com/phpipam/phpipam/issues/3351Exploit, Issue Tracking, Patch, Third Party Advisory

Timeline

Published: Jun 23, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-35438?

phpIPAM 1.4.3 allows Reflected XSS via app/dashboard/widgets/ipcalc-result.php and app/tools/ip-calculator/result.php of the IP calculator.

How severe is CVE-2021-35438?

CVE-2021-35438 has a CVSS score of 6.1/10 (MEDIUM severity). The EPSS model estimates a 1.01% probability of exploitation in the next 30 days.

How do I fix CVE-2021-35438?

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-2021-35438?

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

Scan your code now

Source: NVD / NIST