SEPTEMBER 18, 2026
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Case File

CVE-2026-74793

MEDIUM · CVSS 6.1 EPSS 0.20% Public Exploit

Source: NVD + CISA KEV + EPSS · Published 2026-08-23 · Last synced 2026-09-18

CyberRota Analysis

AI-Generated

The vulnerability allows attackers to exploit justhtml versions prior to 3.11.0 by injecting SVG or MathML elements with event handlers that bypass the default sanitizer, leading to potential stored or reflected cross-site scripting (XSS) attacks. Organizations using affected versions should prioritize patching to mitigate the risk of unauthorized script execution and data theft. This is particularly critical for web applications that handle user-generated content or rely on dynamic content rendering.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

GitHub PoC Links

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2026-74793
Severity
MEDIUM
CVSS
6.1
EPSS
0.20%

Original NVD Description

justhtml before 3.11.0 contains a cross-site scripting vulnerability where the default sanitizer bypasses event handler removal in selectedcontent projections. Attackers can inject SVG or MathML elements with event handlers that are cloned and reinserted into output without sanitization, enabling stored or reflected XSS attacks.