Every CVE Search/ Get API key

CVE-2020-35305

Gollum Cross-site Scripting vulnerability via filename parameter to New Page dialog

6.1 MediumFix available

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

0.79%Down 0.2 points since Jul 16, 2022
90%50%10%1%

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 MediumCVSS: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 MediumCVSS: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 MediumCVSS: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 MediumCVSS: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

Affected packages
PackageAffectedFixed
gollum
RubyGems
5.0 up to 5.1.2
5.1.2
gollum
RubyGems
5.0 up to 5.1.2, plus listed versions
5.0.05.0.15.15.1.1
5.1.2

History

History
RecordedChangedSources
first indexedCVE 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

MoveEnter Open