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CVE-2026-108942— philz1337x clarity-upscaler Extra Networks Card Rendering ui_extra_networks.py create_html_for_item cross site scripting

Quick assessment

Affected
philz1337x clarity-upscaler
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.

在 philz1337x 的 clarity-upscaler 项目（截至 commit cfbdb842c6c839c8e97741722b8cf9a4b7662d98）中发现了一个安全漏洞。该漏洞影响了组件 “Extra Networks Card Rendering” 中的文件 modules/ui_extra_networks.py 里的 create_html_for_item 函数。对参数 Description 的不当处理会导致跨站脚本（XSS）攻击。此漏洞可通过远程方式利用。 该产品采用持续交付的滚

CVSS 3.5 · Low EPSS 0.20% · P9

Affected Version Matrix 1

VendorProduct Version RangeStatus
philz1337x clarity-upscaler cfbdb842c6c839c8e97741722b8cf9a4b7662d98 affected
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I. Basic Information for CVE-2026-108942

Vulnerability Information
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Vulnerability Title
philz1337x clarity-upscaler Extra Networks Card Rendering ui_extra_networks.py create_html_for_item cross site scripting
Source: CVE Program / CVE List V5
Vulnerability Description
A security flaw has been discovered in philz1337x clarity-upscaler up to cfbdb842c6c839c8e97741722b8cf9a4b7662d98. This impacts the function create_html_for_item of the file modules/ui_extra_networks.py of the component Extra Networks Card Rendering. The manipulation of the argument Description results in cross site scripting. The attack can be executed remotely. This product implements a rolling release for ongoing delivery, which means version information for affected or updated releases is unavailable. All versions in the repository are affected, as the codebase is based on AUTOMATIC1111/stable-diffusion-webui v1.7.0 code. Upstream AUTOMATIC1111/stable-diffusion-webui (v1.8.0, released March 1, 2024) contains the fix. The project was informed of the problem early through an issue report but has not responded yet.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/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

Affected Products

Vendor Product Affected Versions CPE Subscribe
philz1337x clarity-upscaler cfbdb842c6c839c8e97741722b8cf9a4b7662d98 cpe:2.3:a:philz1337x:clarity-upscaler:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-108942

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2026-108942

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News Coverage for CVE-2026-108942 (1)

Other References for CVE-2026-108942 (1)

IV. Related Vulnerabilities

Same weakness: CWE-79

V. Comments for CVE-2026-108942

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