CVE-2020-35305
Gollum Cross-site Scripting vulnerability via filename parameter to New Page dialog
Cross site scripting (XSS) in gollum 5.0 to 5.1.2 via the filename parameter to the 'New Page' dialog.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
6.1
Cross site scripting (XSS) in gollum 5.0 to 5.1.2 via the filename parameter to the 'New Page' dialog.
- Record
CVE-2020-35305- CVSS 3.1
- 6.1 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
CVE List No score
Cross site scripting (XSS) in gollum 5.0 to 5.1.2 via the filename parameter to the 'New Page' dialog.
- Record
CVE-2020-35305- Updated
- 2026-11-02
EUVDEUVD-2022-6330 No score
Cross site scripting (XSS) in gollum 5.0 to 5.1.2 via the filename parameter to the 'New Page' dialog.
- Record
EUVD-2022-6330- Updated
- 2026-11-02
GitHub AdvisoriesGHSA-fj2w-qmjp-3rjm
6.1
Gollum Cross-site Scripting vulnerability via filename parameter to New Page dialog
Cross site scripting (XSS) in gollum 5.0 to 5.1.2 via the filename parameter to the 'New Page' dialog.
- Record
GHSA-fj2w-qmjp-3rjm- CVSS 3.1
- 6.1 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
OSV
6.1
Cross site scripting (XSS) in gollum 5.0 to 5.1.2 via the filename parameter to the 'New Page' dialog.
- Record
CVE-2020-35305- CVSS 3.1
- 6.1 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - Updated
- 2026-11-02
OSVGHSA-fj2w-qmjp-3rjm
6.1
Gollum Cross-site Scripting vulnerability via filename parameter to New Page dialog
Cross site scripting (XSS) in gollum 5.0 to 5.1.2 via the filename parameter to the 'New Page' dialog.
- Record
GHSA-fj2w-qmjp-3rjm- CVSS 3.1
- 6.1 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
Affected products
Affected packages
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2020-35305 is a medium vulnerability (CVSS 6.1) in Gollum Project Gollum, published July 15, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.79%, the 56th percentile. Fixed in gollum 5.1.2.
References
github.com/Szarny
github.com/gollum
github.com/gollum/gollum/releases/tag/v5.1.2
nvd.nist.gov/vuln/detail/CVE-2020-35305
gollum.com
github.com/gollum/gollum/commit/137728cdabc0f60859fcd30404ad2b8fff6ef715
github.com/rubysec/ruby-advisory-db/blob/master/gems/gollum/CVE-2020-35305.yml
github.com/advisories/GHSA-fj2w-qmjp-3rjm
github.com/gollum/gollum