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CVE-2025-22872— Incorrect Neutralization of Input During Web Page Generation in x/net in golang.org/x/net

Quick assessment

Affected
golang.org/x/net golang.org/x/net/html
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.

Google Go是美国谷歌（Google）公司的一种静态强类型、编译型、并发型，并具有垃圾回收功能的编程语言。 Google Go v0.38.0之前版本存在安全漏洞，该漏洞源于标记解析器错误处理未引用的属性值，可能导致DOM构造错误。

AI Predicted 5.3 Difficulty: Hard EPSS 0.53% · P43

Possible ATT&CK Techniques 1 AI

T1189 · Drive-by Compromise
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I. Basic Information for CVE-2025-22872

Vulnerability Information
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Vulnerability Title
Incorrect Neutralization of Input During Web Page Generation in x/net in golang.org/x/net
Source: CVE Program / CVE List V5
Vulnerability Description
The tokenizer incorrectly interprets tags with unquoted attribute values that end with a solidus character (/) as self-closing. When directly using Tokenizer, this can result in such tags incorrectly being marked as self-closing, and when using the Parse functions, this can result in content following such tags as being placed in the wrong scope during DOM construction, but only when tags are in foreign content (e.g. <math>, <svg>, etc contexts).
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Google Go 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Google Go是美国谷歌（Google）公司的一种静态强类型、编译型、并发型，并具有垃圾回收功能的编程语言。 Google Go v0.38.0之前版本存在安全漏洞，该漏洞源于标记解析器错误处理未引用的属性值，可能导致DOM构造错误。
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
golang.org/x/net golang.org/x/net/html 0 ~ 0.38.0 -

II. Public POCs for CVE-2025-22872

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III. Intelligence Information for CVE-2025-22872

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Other References for CVE-2025-22872 (1)

Other References for CVE-2025-22872 (2)

IV. Related Vulnerabilities

Same product: golang.org/x/net/html
Same vendor: golang.org/x/net

V. Comments for CVE-2025-22872

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