VulnerabilityModified
CVE-2018-3740
A specially crafted HTML fragment can cause Sanitize gem for Ruby to allow non-whitelisted attributes to be used on a whitelisted HTML element.
HIGH 7.5EPSS 1.47%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.47%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
A specially crafted HTML fragment can cause Sanitize gem for Ruby to allow non-whitelisted attributes to be used on a whitelisted HTML element.
- CVSS 3.0
- 7.5 HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
- EPSS
- 1.47% probability · 72th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-79, CWE-20
- Affected
- sanitize project/sanitize
- Source
- support@hackerone.com
References
- https://about.gitlab.com/2018/06/25/security-release-gitlab-11-dot-0-dot-1-released/
- https://github.com/rgrove/sanitize/commit/01629a162e448a83d901456d0ba8b65f3b03d46ePatch, Third Party Advisory
- https://github.com/rgrove/sanitize/issues/176Issue Tracking, Third Party Advisory
- https://www.debian.org/security/2018/dsa-4358
- https://about.gitlab.com/2018/06/25/security-release-gitlab-11-dot-0-dot-1-released/
- https://github.com/rgrove/sanitize/commit/01629a162e448a83d901456d0ba8b65f3b03d46ePatch, Third Party Advisory
- https://github.com/rgrove/sanitize/issues/176Issue Tracking, Third Party Advisory
- https://www.debian.org/security/2018/dsa-4358
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.