VulnerabilityModified
CVE-2021-39906
Improper validation of ipynb files in GitLab CE/EE version 13.5 and above allows an attacker to execute arbitrary JavaScript code on the victim's behalf.
MEDIUM 6.1EPSS 60.7%
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 60.7%, higher than 99% of all known CVEs. Patch or mitigate before the next change window.
Description
Improper validation of ipynb files in GitLab CE/EE version 13.5 and above allows an attacker to execute arbitrary JavaScript code on the victim's behalf.
- CVSS 3.1
- 6.1 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
- EPSS
- 60.73% probability · 99th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-79
- Affected
- gitlab/gitlab
- Source
- cve@gitlab.com
References
- https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39906.jsonVendor Advisory
- https://gitlab.com/gitlab-org/gitlab/-/issues/341566Broken Link
- https://hackerone.com/reports/1347600Permissions Required, Third Party Advisory
- https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39906.jsonVendor Advisory
- https://gitlab.com/gitlab-org/gitlab/-/issues/341566Broken Link
- https://hackerone.com/reports/1347600Permissions Required, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.