How severe is CVE-2021-35438?

CVE-2021-35438 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2021-35438 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (59th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-35438?

CVE-2021-35438 affects Phpipam. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-35438?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2021-35438 published?

CVE-2021-35438 was published on 2021-06-23 and last updated on 2026-06-17.

CVE-2021-35438

CVE-2021-35438 is a medium-severity vulnerability in Phpipam with a CVSS 3.x base score of 6.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

Severity: Medium (CVSS 3.x base score 6.1)
CVSS v2: 4.3
EPSS exploit prediction: 1% (59th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Phpipam
Published: 2021-06-23
Last modified: 2026-06-17

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.

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 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2021-35438 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (59th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-35438?: CVE-2021-35438 affects Phpipam. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-35438?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-35438 published?: CVE-2021-35438 was published on 2021-06-23 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:phpipam:phpipam:1.4.3:*:*:*:*:*:*:*

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