Cross site scripting (XSS) in gollum 5.0 to 5.1.2 via the filename parameter to the 'New Page' dialog.
Priority LOW 29CWE-79Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Cross-site scripting
- Confidentiality · integrity · availability
- Low · Low · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub. Impact type from CWE-79.
Summary
Cross site scripting (XSS) in gollum 5.0 to 5.1.2 via the filename parameter to the 'New Page' dialog.
Why it matters now
EPSS 0.0079 56th percentileScored 2026-11-07
Fix Fixed gollum (RubyGems): 5.1.2
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
| — | gollum (RubyGems) | 5.0 to before 5.1.2 | 5.1.2 | Patch available | GHSA-fj2w-qmjp-3rjm |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
- gollum (RubyGems) Vendor— Affected 5.0 to before 5.1.2 Fixed in 5.1.2 Patch available GHSA-fj2w-qmjp-3rjm
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:gollum_project:gollum:*:*:*:*:*:*:*:* | 5.0.0 – 5.1.2 | Vulnerable | Gollum Project |
- cpe:2.3:a:gollum_project:gollum:*:*:*:*:*:*:*:* Versions 5.0.0 – 5.1.2 Vulnerable ·Gollum Project
Remediation
- Fix · GHSA-fj2w-qmjp-3rjm gollum (RubyGems) Fixed in 5.1.2 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2020-35305
- 2026-10-03 Alias added: GHSA-fj2w-qmjp-3rjm
References
Advisory 3
More Gollum Project Gollum vulnerabilities
- TI-2014-07713 The gollum-grit_adapter Ruby gem dependency in gollum before 3.1.1 and the gollum-lib gem… CVSS 3.0HIGH 8.8
- TI-2015-06082 The Precious module in gollum before 4.0.1 allows remote attackers to read arbitrary… CVSS 2.0MEDIUM 4.3
Sources
- CVE-2020-35305 · CVE Program
- CVE-2020-35305 · NVD
- FIRST EPSS
- GHSA-fj2w-qmjp-3rjm · GitHub Advisory Database · CC BY 4.0
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