CVE-2022-23518— Improper neutralization of data URIs allows XSS in rails-html-sanitizer
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I. Basic Information for CVE-2022-23518
Vulnerability Information
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Vulnerability Title
Improper neutralization of data URIs allows XSS in rails-html-sanitizer
Source: NVD (National Vulnerability Database)
Vulnerability Description
rails-html-sanitizer is responsible for sanitizing HTML fragments in Rails applications. Versions >= 1.0.3, < 1.4.4 are vulnerable to cross-site scripting via data URIs when used in combination with Loofah >= 2.1.0. This issue is patched in version 1.4.4.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
Source: NVD (National Vulnerability Database)
Vulnerability Title
Rails 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Rails是美国Rails团队的一套基于Ruby语言的开源Web应用框架。 Rails rails-html-sanitizer 1.0.3到1.4.4版本存在跨站脚本漏洞，该漏洞源于当与 Loofah 结合使用时， 容易受到通过数据 URI 的跨站脚本攻击。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| rails | rails-html-sanitizer | >= 1.0.3, < 1.4.4 | - |
II. Public POCs for CVE-2022-23518
| # | POC Description | Source Link | Shenlong Link |
|---|
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- https://hackerone.com/reports/1694173x_refsource_MISC
- https://github.com/rails/rails-html-sanitizer/issues/135x_refsource_MISC
- https://nvd.nist.gov/vuln/detail/CVE-2022-23518
Same Patch Batch · rails · 2022-12-14 · 4 CVEs total
| CVE-2022-23517 | 7.5 HIGH | Inefficient Regular Expression Complexity in rails-html-sanitizer |
| CVE-2022-23519 | 7.2 HIGH | Possible XSS vulnerability with certain configurations of rails-html-sanitizer |
| CVE-2022-23520 | 6.1 MEDIUM | rails-html-sanitizer contains an incomplete fix for an XSS vulnerability |
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V. Comments for CVE-2022-23518
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