How severe is CVE-2020-8825?

CVE-2020-8825 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-2020-8825 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (77th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-8825?

CVE-2020-8825 affects Vanillaforums Vanilla. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-8825?

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

When was CVE-2020-8825 published?

CVE-2020-8825 was published on 2020-02-10 and last updated on 2026-06-17.

CVE-2020-8825

CVE-2020-8825 is a medium-severity vulnerability in Vanillaforums Vanilla 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: 2% (77th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Vanillaforums Vanilla
Published: 2020-02-10
Last modified: 2026-06-17

Description

index.php?p=/dashboard/settings/branding in Vanilla 2.6.3 allows stored XSS.

Frequently asked questions

What is CVE-2020-8825?: index.php?p=/dashboard/settings/branding in Vanilla 2.6.3 allows stored XSS.
How severe is CVE-2020-8825?: CVE-2020-8825 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-2020-8825 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (77th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-8825?: CVE-2020-8825 affects Vanillaforums Vanilla. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-8825?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-8825 published?: CVE-2020-8825 was published on 2020-02-10 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:vanillaforums:vanilla:2.6.3:*:*:*:*:*:*:*

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