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CVE-2026-34231— Slippers: Cross-Site Scripting (XSS) in `attrs` Template Tag

Quick assessment

Affected
mixxorz slippers
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.

slippers是Mitchel Cabuloy个人开发者的一个Django模板语言增强工具。 Slippers 0.6.3之前版本存在跨站脚本漏洞，该漏洞源于模板标签未对上下文变量进行转义，可能导致跨站脚本攻击。

CVSS 6.1 · Medium EPSS 0.23% · P14

Possible ATT&CK Techniques 1 AI

T1059 · Command and Scripting Interpreter
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I. Basic Information for CVE-2026-34231

Vulnerability Information
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Vulnerability Title
Slippers: Cross-Site Scripting (XSS) in `attrs` Template Tag
Source: CVE Program / CVE List V5
Vulnerability Description
Slippers is a UI component framework for Django. Prior to version 0.6.3, a Cross-Site Scripting (XSS) vulnerability exists in the {% attrs %} template tag of the slippers Django package. When a context variable containing untrusted data is passed to {% attrs %}, the value is interpolated into an HTML attribute string without escaping, allowing an attacker to break out of the attribute context and inject arbitrary HTML or JavaScript into the rendered page. This issue has been patched in version 0.6.3.
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
slippers 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
slippers是Mitchel Cabuloy个人开发者的一个Django模板语言增强工具。 Slippers 0.6.3之前版本存在跨站脚本漏洞，该漏洞源于模板标签未对上下文变量进行转义，可能导致跨站脚本攻击。
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
mixxorz slippers < 0.6.3 -

II. Public POCs for CVE-2026-34231

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III. Intelligence Information for CVE-2026-34231

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Vendor Advisories for CVE-2026-34231 (1)

IV. Related Vulnerabilities

Same weakness: CWE-79

V. Comments for CVE-2026-34231

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