How severe is CVE-2021-3486?

CVE-2021-3486 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-2021-3486 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (69th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-3486?

CVE-2021-3486 affects Glpi-project Glpi. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-3486?

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

When was CVE-2021-3486 published?

CVE-2021-3486 was published on 2021-05-26 and last updated on 2026-06-17.

CVE-2021-3486

CVE-2021-3486 is a medium-severity vulnerability in Glpi-project Glpi 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% (69th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Glpi-project Glpi
Published: 2021-05-26
Last modified: 2026-06-17

Description

GLPi 9.5.4 does not sanitize the metadata. This way its possible to insert XSS into plugins to execute JavaScript code.

Frequently asked questions

What is CVE-2021-3486?: GLPi 9.5.4 does not sanitize the metadata. This way its possible to insert XSS into plugins to execute JavaScript code.
How severe is CVE-2021-3486?: CVE-2021-3486 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-2021-3486 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (69th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-3486?: CVE-2021-3486 affects Glpi-project Glpi. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-3486?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-3486 published?: CVE-2021-3486 was published on 2021-05-26 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:glpi-project:glpi:9.5.4:*:*:*:*:*:*:*

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