CVE-2026-42150— wlc: print_html outputs API data without HTML escaping, enabling stored XSS
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I. Basic Information for CVE-2026-42150
Vulnerability Information
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Vulnerability Title
wlc: print_html outputs API data without HTML escaping, enabling stored XSS
Source: NVD (National Vulnerability Database)
Vulnerability Description
wlc is a Weblate command-line client using Weblate's REST API. Prior to version 2.0.0, the HTML output format in wlc embeds API response data into HTML without escaping, allowing cross-site scripting when the output is rendered in a browser. This issue has been patched in version 2.0.0.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:C/C:L/I:L/A:L
Source: NVD (National Vulnerability Database)
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: NVD (National Vulnerability Database)
Vulnerability Title
wlc 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
wlc是Weblate开源的一个命令行客户端。 wlc 2.0.0之前版本存在跨站脚本漏洞，该漏洞源于HTML输出格式未转义API响应数据，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 |
|---|---|---|---|---|
| WeblateOrg | wlc | < 2.0.0 | - |
II. Public POCs for CVE-2026-42150
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|---|
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- Release 2.0.0 · WeblateOrg/wlc · GitHubx_refsource_MISC
- https://nvd.nist.gov/vuln/detail/CVE-2026-42150
IV. Related Vulnerabilities
Same vendor: WeblateOrg
- CVE-2026-44264
Weblate is vulnerable to XSS via crafted Markdown - CVE-2026-44263
Weblate: Private Translation Enumeration via Screenshot API - CVE-2026-41519
Weblate's API Token Not Invalidated on Password Change - CVE-2026-41654
Weblate is Vulnerable to Authenticated SSRF via Project Back - CVE-2026-40256
Weblate: Prefix-Based Repository Boundary Check Bypass via S
Same weakness: CWE-79
- CVE-2026-8262
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Devs Palace ERP Online add_new_customer cross site scripting - CVE-2026-8254
Devs Palace ERP Online sales_save cross site scripting - CVE-2026-8253
Devs Palace ERP Online purchase_save cross site scripting
V. Comments for CVE-2026-42150
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