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CVE-2023-23627— Sanitize vulnerable to Cross-site Scripting via Improper neutralization of `noscript` element

Quick assessment

Affected
rgrove sanitize
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Sanitize是美国Ryan Grove个人开发者的一款HTML和CSS清理器，它支持从字符串中删除HTML和CSS等。 Sanitize 5.0.0版本至6.0.1之前版本存在跨站脚本漏洞。攻击者利用该漏洞执行任意HTML。

CVSS 6.1 · Medium EPSS 0.53% · P44
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I. Basic Information for CVE-2023-23627

Vulnerability Information
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Vulnerability Title
Sanitize vulnerable to Cross-site Scripting via Improper neutralization of `noscript` element
Source: CVE Program / CVE List V5
Vulnerability Description
Sanitize is an allowlist-based HTML and CSS sanitizer. Versions 5.0.0 and later, prior to 6.0.1, are vulnerable to Cross-site Scripting. When Sanitize is configured with a custom allowlist that allows `noscript` elements, attackers are able to include arbitrary HTML, resulting in XSS (cross-site scripting) or other undesired behavior when that HTML is rendered in a browser. The default configurations do not allow `noscript` elements and are not vulnerable. This issue only affects users who are using a custom config that adds `noscript` to the element allowlist. This issue has been patched in version 6.0.1. Users who are unable to upgrade can prevent this issue by using one of Sanitize's default configs or by ensuring that their custom config does not include `noscript` in the element allowlist.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Source: CVE Program / CVE List V5
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: CVE Program / CVE List V5
Vulnerability Title
Sanitize 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Sanitize是美国Ryan Grove个人开发者的一款HTML和CSS清理器，它支持从字符串中删除HTML和CSS等。 Sanitize 5.0.0版本至6.0.1之前版本存在跨站脚本漏洞。攻击者利用该漏洞执行任意HTML。
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
rgrove sanitize >= 5.0.0, < 6.0.1 -

II. Public POCs for CVE-2023-23627

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III. Intelligence Information for CVE-2023-23627

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Vendor Advisories for CVE-2023-23627 (1)

IV. Related Vulnerabilities

Same product: sanitize
Same vendor: rgrove
Same weakness: CWE-79

V. Comments for CVE-2023-23627

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