Cross-site Scripting (XSS) Affecting ruby-doorkeeper package, versions <2.2.1-1ubuntu0.1~esm2
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Start learning- Snyk IDSNYK-UBUNTU1604-RUBYDOORKEEPER-1196146
- published22 Mar 2026
- disclosed13 Mar 2018
Introduced: 13 Mar 2018
CVE-2018-1000088 (opens in a new tab)How to fix?
Upgrade Ubuntu:16.04 ruby-doorkeeper to version 2.2.1-1ubuntu0.1~esm2 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream ruby-doorkeeper package and not the ruby-doorkeeper package as distributed by Ubuntu.
See How to fix? for Ubuntu:16.04 relevant fixed versions and status.
Doorkeeper version 2.1.0 through 4.2.5 contains a Cross Site Scripting (XSS) vulnerability in web view's OAuth app form, user authorization prompt web view that can result in Stored XSS on the OAuth Client's name will cause users interacting with it will execute payload. This attack appear to be exploitable via The victim must be tricked to click an opaque link to the web view that runs the XSS payload. A malicious version virtually indistinguishable from a normal link.. This vulnerability appears to have been fixed in 4.2.6, 4.3.0.