CVE-2022-23515
Improper neutralization of data URIs may allow XSS in Loofah
Impact
## Summary Loofah `>= 2.1.0, < 2.19.1` is vulnerable to cross-site scripting via the `image/svg+xml` media type in data URIs. ## Mitigation Upgrade to Loofah `>= 2.19.1`. ## Severity The Loofah maintainers have evaluated this as [Medium Severity 6.1](https://www.first.org/cvss/calculator/3.0#CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N). ## References - [CWE - CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') (4.9)](https://cwe.mitre.org/data/definitions/79.html) - [SVG MIME Type (image/svg+xml) is misleading to developers · Issue #266 · w3c/svgwg](https://github.com/w3c/svgwg/issues/266) - https://hackerone.com/reports/1694173 - https://github.com/flavorjones/loofah/issues/101 ## Credit This vulnerability was responsibly reported by Maciej Piechota (@haqpl).
Affected packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| rubygems | loofah | >= 2.1.0, < 2.19.1 | 2.19.1 |
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Loofah Project | Loofah | from 2.1.0 before 2.19.1 |
| Debian | Debian Linux | Version 10.0 |
Weakness classification
References
- NVD record
- CVE.org record
- GitHub advisory
- https://github.com/flavorjones/loofah/issues/101
- https://github.com/flavorjones/loofah/security/advisories/GHSA-228g-948r-83gx
- https://hackerone.com/reports/1694173
- https://lists.debian.org/debian-lts-announce/2023/09/msg00011.html
- https://lists.debian.org/debian-lts-announce/2024/09/msg00044.html
- https://github.com/advisories/GHSA-228g-948r-83gx
- https://github.com/w3c/svgwg/issues/266
- https://github.com/flavorjones/loofah/commit/415677f3cf7f9254f42f811e784985cd63c7407f
- https://github.com/rubysec/ruby-advisory-db/blob/master/gems/loofah/CVE-2022-23515.yml
- https://nvd.nist.gov/vuln/detail/CVE-2022-23515