CVE-2022-23517— Inefficient Regular Expression Complexity in rails-html-sanitizer
Get alerts for future matching vulnerabilitiesLog in to subscribe
I. Basic Information for CVE-2022-23517
Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗ Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.
Vulnerability Title
Inefficient Regular Expression Complexity in rails-html-sanitizer
Source: NVD (National Vulnerability Database)
Vulnerability Description
rails-html-sanitizer is responsible for sanitizing HTML fragments in Rails applications. Certain configurations of rails-html-sanitizer < 1.4.4 use an inefficient regular expression that is susceptible to excessive backtracking when attempting to sanitize certain SVG attributes. This may lead to a denial of service through CPU resource consumption. This issue has been patched in version 1.4.4.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
CWE-1333
Source: NVD (National Vulnerability Database)
Vulnerability Title
Rails 安全漏洞
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 1.4.4之前版本存在安全漏洞，该漏洞源于使用低效的正则表达式，在尝试清理某些 SVG 属性时容易受到过度回溯的影响，这可能会因 CPU 资源消耗而导致拒绝服务。
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 | < 1.4.4 | - |
II. Public POCs for CVE-2022-23517
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POCPremium
No public POC found.
Login to generate AI POCIII. Intelligence Information for CVE-2022-23517
请登录查看更多情报信息。
- https://hackerone.com/reports/1684163x_refsource_MISC
- https://nvd.nist.gov/vuln/detail/CVE-2022-23517
Same Patch Batch · rails · 2022-12-14 · 4 CVEs total
| 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 |
| CVE-2022-23518 | Improper neutralization of data URIs allows XSS in rails-html-sanitizer |
IV. Related Vulnerabilities
Same product: rails-html-sanitizer
- CVE-2024-53985
Possible XSS vulnerability with certain configurations of ra - CVE-2024-53987
Possible XSS vulnerability with certain configurations of ra - CVE-2024-53986
Possible XSS vulnerability with certain configurations of ra - CVE-2024-53988
Possible XSS vulnerability with certain configurations of ra - CVE-2024-53989
Possible XSS vulnerability with certain configurations of ra
Same vendor: rails
- CVE-2026-33658
Rails Active Storage has a possible DoS vulnerability in pro - CVE-2026-33202
Rails Active Storage has possible glob injection in its Disk - CVE-2026-33195
Rails Active Storage has possible Path Traversal in DiskServ - CVE-2026-33176
Rails Active Support has a possible DoS vulnerability in its - CVE-2026-33174
Rails Active Storage has a possible DoS vulnerability when i
Same weakness: CWE-1333
- CVE-2026-33079
Mistune ReDoS in LINK_TITLE_RE allows denial of service with - CVE-2026-41040
GROWI 安全漏洞 - CVE-2026-40319
Giskard has a Regular Expression Denial of Service (ReDoS) i - CVE-2026-5986
Zod jsVideoUrlParser util.js getTime redos - CVE-2026-35041
ReDoS in fast-jwt when using RegExp in allowed* leading to C
V. Comments for CVE-2022-23517
No comments yet