Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1336 CNY

100%
Buy Us a Coffee

CVE-2026-42150— wlc: print_html outputs API data without HTML escaping, enabling stored XSS

Quick assessment

Affected
WeblateOrg wlc
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.

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。

CVSS 5.1 · Medium EPSS 0.17% · P7

Possible ATT&CK Techniques 1 AI

T1059 · Command and Scripting Interpreter

Affected Version Matrix 1

VendorProduct Version RangeStatus
WeblateOrg wlc < 2.0.0 affected
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2026-42150

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗

Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
wlc: print_html outputs API data without HTML escaping, enabling stored XSS
Source: CVE Program / CVE List V5
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: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:C/C:L/I:L/A:L
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
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

# POC Description Source Link Shenlong Link
AI-Generated POC Premium

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2026-42150

请登录查看更多情报信息。

Patches & Fixes for CVE-2026-42150 (2)

Vendor Advisories for CVE-2026-42150 (1)

Vendor Pages for CVE-2026-42150 (1)

IV. Related Vulnerabilities

Same product: wlc
Same vendor: WeblateOrg
Same weakness: CWE-79

V. Comments for CVE-2026-42150

No comments yet

Leave a comment