How severe is CVE-2020-18327?

CVE-2020-18327 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-2020-18327 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (54th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-18327?

CVE-2020-18327 affects Alfresco. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-18327?

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

When was CVE-2020-18327 published?

CVE-2020-18327 was published on 2022-03-04 and last updated on 2026-06-17.

CVE-2020-18327

CVE-2020-18327 is a medium-severity vulnerability in Alfresco 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% (54th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Alfresco
Published: 2022-03-04
Last modified: 2026-06-17

Description

Cross Site Scripting (XSS) vulnerability exists in Alfresco Alfresco Community Edition v5.2.0 via the action parameter in the alfresco/s/admin/admin-nodebrowser API. Fixed in v6.2

Frequently asked questions

What is CVE-2020-18327?: Cross Site Scripting (XSS) vulnerability exists in Alfresco Alfresco Community Edition v5.2.0 via the action parameter in the alfresco/s/admin/admin-nodebrowser API. Fixed in v6.2
How severe is CVE-2020-18327?: CVE-2020-18327 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-2020-18327 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (54th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-18327?: CVE-2020-18327 affects Alfresco. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-18327?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-18327 published?: CVE-2020-18327 was published on 2022-03-04 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:alfresco:alfresco:5.2:*:*:*:community:*:*:*

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