CVE-2020-35305 json
Gollum Cross-site Scripting vulnerability via filename parameter to New Page dialog
published 2022-07-15 4 y ago modified 2026-07-09 4 mo ago also GHSA-fj2w-qmjp-3rjm , EUVD-2022-6330
- cvss
- 6.1
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.8%
- EPSS 0.8% chance of exploitation in 30 days, percentile 56%
- public exploits
- 0
- none known
Summary
Cross site scripting (XSS) in gollum 5.0 to 5.1.2 via the filename parameter to the 'New Page' dialog.
Patch / fix
- rubygems gollum 5.1.2
Exploit prediction
0.79% chance of exploitation in the next 30 days, higher than 56% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 6.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
| GitHub | 3.1 | 6.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| rubygems | gollum | >=5.0, <5.1.2 |
5.1.2 |
Classification
- Weakness
-
- CWE-79 Improper Neutralization of Input During Web Page Generation
References
-
github.com
/gollum/gollum/commit/137728cdabc0f60859fcd30404ad2b8fff6ef715
web
-
github.com
/Szarny/
not-applicable
-
github.com
/gollum/
product, third-party-advisory
-
github.com
/gollum/gollum/releases/tag/v5.1.2
web, release-notes, third-party-advisory
-
nvd.nist.gov
/vuln/detail/CVE-2020-35305
advisory
-
github.com
/Szarny
web
-
github.com
/gollum
web
-
github.com
/gollum/gollum
package
-
github.com
/rubysec/ruby-advisory-db/blob/master/gems/gollum/CVE-2020-35305.yml
web
-
gollum.com
web
Sources
- CVE List CVE-2020-35305
- GitHub Advisory GHSA-fj2w-qmjp-3rjm
- NVD CVE-2020-35305
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.