CVE-2026-44264— Weblate is vulnerable to XSS via crafted Markdown
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I. Basic Information for CVE-2026-44264
Vulnerability Information
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Vulnerability Title
Weblate is vulnerable to XSS via crafted Markdown
Source: NVD (National Vulnerability Database)
Vulnerability Description
Weblate is a web based localization tool. Prior to version 5.17.1, the Markdown renderer used in user comments and other user-provided content didn't properly sanitize some attributes. This issue has been patched in version 5.17.1.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
Web页面中脚本相关HTML标签转义处理不恰当(基本跨站脚本)
Source: NVD (National Vulnerability Database)
Vulnerability Title
Weblate 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Weblate是Weblate开源的一个 Copyleft 的基于 web 的自由软件持续本地化系统。 Weblate 5.17.1之前版本存在安全漏洞，该漏洞源于用户评论和其他用户提供内容中使用的Markdown渲染器未能正确清理某些属性。
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 | weblate | < 5.17.1 | - |
II. Public POCs for CVE-2026-44264
| # | POC Description | Source Link | Shenlong Link |
|---|
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- Release Weblate 5.17.1 · WeblateOrg/weblate · GitHubx_refsource_MISC
- XSS via crafted Markdown · Advisory · WeblateOrg/weblate · GitHubx_refsource_CONFIRM
- https://nvd.nist.gov/vuln/detail/CVE-2026-44264
Same Patch Batch · WeblateOrg · 2026-05-07 · 4 CVEs total
| CVE-2026-44263 | 4.3 MEDIUM | Weblate: Private Translation Enumeration via Screenshot API |
| CVE-2026-41519 | 4.2 MEDIUM | Weblate's API Token Not Invalidated on Password Change |
| CVE-2026-41654 | Weblate is Vulnerable to Authenticated SSRF via Project Backup Import bypassing validate_r |
IV. Related Vulnerabilities
Same product: weblate
- 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 - CVE-2026-39845
Weblate: SSRF via the webhook add-on using unprotected fetch
Same vendor: WeblateOrg
- CVE-2026-42150
wlc: print_html outputs API data without HTML escaping, enab - 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-80
- CVE-2021-47948
WordPress GetPaid Plugin 2.4.6 HTML Injection via Help Text - CVE-2026-42030
MapServer: Improper Neutralization of Script-Related HTML Ta - CVE-2026-6002
HTML Injection in DivvyDrive Information Technologies' Divvy - CVE-2025-59854
HCL DFXAnalytics is affected by an Insecure Security Header - CVE-2026-1564
Pega Platform versions 8.1.0 through 25.1.1 are affected by
V. Comments for CVE-2026-44264
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