medium6.1
CVE-2017-1002201
Haml vulnerable to cross-site scripting
Impact
In haml versions prior to version 5.0.0.beta.2, when using user input to perform tasks on the server, characters like `< > " '` must be escaped properly. In this case, the `'` character was missed. An attacker can manipulate the input to introduce additional attributes, potentially executing code.
Affected packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| rubygems | haml | < 5.0.0 | 5.0.0 |
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Haml | Haml | before 5.0.0 |
| Debian | Debian Linux | Versions 8.0, 9.0 |
Weakness classification
References
- NVD record
- CVE.org record
- GitHub advisory
- https://github.com/haml/haml/commit/18576ae6e9bdcb4303fdbe6b3199869d289d67c2
- https://lists.debian.org/debian-lts-announce/2019/11/msg00007.html
- https://lists.debian.org/debian-lts-announce/2021/12/msg00028.html
- https://security.gentoo.org/glsa/202007-27
- https://snyk.io/vuln/SNYK-RUBY-HAML-20362
- https://github.com/advisories/GHSA-r53w-g4xm-3gc6
- https://nvd.nist.gov/vuln/detail/CVE-2017-1002201
- https://github.com/rubysec/ruby-advisory-db/blob/master/gems/haml/CVE-2017-1002201.yml