How severe is CVE-2020-8776?

CVE-2020-8776 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2020-8776 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (84th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-8776?

CVE-2020-8776 primarily affects Alfresco. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2020-8776?

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

When was CVE-2020-8776 published?

CVE-2020-8776 was published on 2020-03-02 and last updated on 2026-06-17.

CVE-2020-8776

CVE-2020-8776 is a medium-severity vulnerability in Alfresco with a CVSS 3.x base score of 5.4. 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 5.4)
CVSS v2: 3.5
EPSS exploit prediction: 3% (84th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Alfresco
Published: 2020-03-02
Last modified: 2026-06-17

Description

Alfresco Enterprise before 5.2.7 and Alfresco Community before 6.2.0 (rb65251d6-b368) has XSS via the URL property of a file.

Frequently asked questions

What is CVE-2020-8776?: Alfresco Enterprise before 5.2.7 and Alfresco Community before 6.2.0 (rb65251d6-b368) has XSS via the URL property of a file.
How severe is CVE-2020-8776?: CVE-2020-8776 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2020-8776 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (84th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-8776?: CVE-2020-8776 primarily affects Alfresco. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2020-8776?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-8776 published?: CVE-2020-8776 was published on 2020-03-02 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:a:alfresco:alfresco:*:*:*:*:enterprise:*:*:*
cpe:2.3:a:alfresco:alfresco:*:*:*:*:community:*:*:*

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