How severe is CVE-2020-35305?

CVE-2020-35305 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-2020-35305 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (45th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-35305?

CVE-2020-35305 affects Gollum Project Gollum. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-35305?

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

When was CVE-2020-35305 published?

CVE-2020-35305 was published on 2022-07-15 and last updated on 2026-07-05.

CVE-2020-35305

CVE-2020-35305 is a medium-severity vulnerability in Gollum Project Gollum 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)
EPSS exploit prediction: 1% (45th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Gollum Project Gollum
Published: 2022-07-15
Last modified: 2026-07-05

Description

Cross site scripting (XSS) in gollum 5.0 to 5.1.2 via the filename parameter to the 'New Page' dialog.

Frequently asked questions

What is CVE-2020-35305?: Cross site scripting (XSS) in gollum 5.0 to 5.1.2 via the filename parameter to the 'New Page' dialog.
How severe is CVE-2020-35305?: CVE-2020-35305 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-2020-35305 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (45th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-35305?: CVE-2020-35305 affects Gollum Project Gollum. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-35305?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-35305 published?: CVE-2020-35305 was published on 2022-07-15 and last updated on 2026-07-05.

References

Affected products (1)

cpe:2.3:a:gollum_project:gollum:*:*:*:*:*:*:*:*

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