CVE-2018-1000088 Doorkeeper is vulnerable to stored XSS and code execution
Stored XSS in Doorkeeper OAuth app form allows attackers to execute arbitrary scripts in victim browsers via malicious client names.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2018-1000088?
CVE-2018-1000088 is a medium-severity cross-site scripting vulnerability in n/a, published on 13 Mar 2018. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
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.
Weakness: CWE-79
Which versions are affected by CVE-2018-1000088?
2 open source packages ship an affected version, including doorkeeper. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
doorkeeper RubyGems | From 2.1.0 | 4.2.6 |
doorkeeper RubyGems | From 2.1.0 | 4.2.6 |
Products include Doorkeeper Project Doorkeeper.
How do I fix CVE-2018-1000088?
Upgrade doorkeeper to 4.2.6 or later.
Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.
Is CVE-2018-1000088 being exploited?
There is no known exploitation of CVE-2018-1000088 in the wild and no public exploit code.
Other vulnerabilities in n/a
- CVE-2016-6582 Doorkeeper is vulnerable to replay attacks
- CVE-2020-10187 Exposure of Sensitive Information to an Unauthorized Actor in Doorkeeper
- CVE-2018-1000211 Doorkeeper subject to Incorrect Permission Assignment
- CVE-2014-8144 Doorkeeper vulnerable to Cross-site Request Forgery
- CVE-2023-34246 Doorkeeper Improper Authentication vulnerability
Sources
Also known as DEBIAN-CVE-2018-1000088, GHSA-hwhh-2fwm-cfgw, UBUNTU-CVE-2018-1000088.