GHSA-H7RW-29PR-MCJ6中危未审查

无摘要

OSV 1.4.0 · unreviewed · 修改于 2026-08-23 23:33

发布时间

2026-08-23 23:33

GitHub 审查时间

—

NVD 发布时间

2026-08-23 22:16

源文件

advisories/unreviewed/2026/08/GHSA-h7rw-29pr-mcj6/GHSA-h7rw-29pr-mcj6.json

公告说明

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.

受影响的软件包

该公告没有提供结构化的受影响软件包信息。

参考链接

WEBhttps://github.com/EmilStenstrom/justhtml/security/advisories/GHSA-gjf2-f4jc-69xf

标识信息

别名 / CVE

CVE-2026-74793

CWE

CWE-79

软件生态

无

扩展资料

暂无扩展资料。

CVSS 评分

CVSS_V3

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

CVSS_V4

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

原始 OSV JSON

{
  "id": "GHSA-h7rw-29pr-mcj6",
  "aliases": [
    "CVE-2026-74793"
  ],
  "details": "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.",
  "affected": [],
  "modified": "2026-08-23T15:33:05Z",
  "severity": [
    {
      "type": "CVSS_V3",
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"
    },
    {
      "type": "CVSS_V4",
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X"
    }
  ],
  "published": "2026-08-23T15:33:05Z",
  "references": [
    {
      "url": "https://github.com/EmilStenstrom/justhtml/security/advisories/GHSA-gjf2-f4jc-69xf",
      "type": "WEB"
    },
    {
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-74793",
      "type": "ADVISORY"
    },
    {
      "url": "https://www.vulncheck.com/advisories/justhtml-before-xss-via-selectedcontent-projection",
      "type": "WEB"
    }
  ],
  "schema_version": "1.4.0",
  "database_specific": {
    "cwe_ids": [
      "CWE-79"
    ],
    "severity": "MODERATE",
    "github_reviewed": false,
    "nvd_published_at": "2026-08-23T14:16:54Z",
    "github_reviewed_at": null
  }
}