cnvd - cnvd-2018-04304

cnvd-2018-04304

Vulnerability from cnvd

Title: markdown2跨站脚本漏洞

Description:

markdown2（又名python-markdown2）是美国软件开发者约翰-格鲁伯（John Gruber）所研发的一种使用Python实现的轻量级标记语言，它支持将纯文本格式文档转换成有效的XHTML（或者HTML）文档。

markdown2 2.3.5及之前版本中存在跨站脚本漏洞。远程攻击者可借助特制的载荷利用该漏洞注入任意的Web脚本或HTML。

Severity: 中

Formal description:

厂商尚未提供漏洞修复方案，请关注厂商主页更新： https://github.com/trentm/python-markdown2

Reference: https://github.com/trentm/python-markdown2/issues/285

Impacted products

Name
Markdown2 markdown2 <=2.3.5

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2018-5773"
    }
  },
  "description": "markdown2\uff08\u53c8\u540dpython-markdown2\uff09\u662f\u7f8e\u56fd\u8f6f\u4ef6\u5f00\u53d1\u8005\u7ea6\u7ff0-\u683c\u9c81\u4f2f\uff08John Gruber\uff09\u6240\u7814\u53d1\u7684\u4e00\u79cd\u4f7f\u7528Python\u5b9e\u73b0\u7684\u8f7b\u91cf\u7ea7\u6807\u8bb0\u8bed\u8a00\uff0c\u5b83\u652f\u6301\u5c06\u7eaf\u6587\u672c\u683c\u5f0f\u6587\u6863\u8f6c\u6362\u6210\u6709\u6548\u7684XHTML\uff08\u6216\u8005HTML\uff09\u6587\u6863\u3002\r\n\r\nmarkdown2 2.3.5\u53ca\u4e4b\u524d\u7248\u672c\u4e2d\u5b58\u5728\u8de8\u7ad9\u811a\u672c\u6f0f\u6d1e\u3002\u8fdc\u7a0b\u653b\u51fb\u8005\u53ef\u501f\u52a9\u7279\u5236\u7684\u8f7d\u8377\u5229\u7528\u8be5\u6f0f\u6d1e\u6ce8\u5165\u4efb\u610f\u7684Web\u811a\u672c\u6216HTML\u3002",
  "discovererName": "vin01",
  "formalWay": "\u5382\u5546\u5c1a\u672a\u63d0\u4f9b\u6f0f\u6d1e\u4fee\u590d\u65b9\u6848\uff0c\u8bf7\u5173\u6ce8\u5382\u5546\u4e3b\u9875\u66f4\u65b0\uff1a\r\nhttps://github.com/trentm/python-markdown2",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2018-04304",
  "openTime": "2018-03-06",
  "products": {
    "product": "Markdown2 markdown2 \u003c=2.3.5"
  },
  "referenceLink": "https://github.com/trentm/python-markdown2/issues/285",
  "serverity": "\u4e2d",
  "submitTime": "2018-01-19",
  "title": "markdown2\u8de8\u7ad9\u811a\u672c\u6f0f\u6d1e"
}

CVE-2018-5773 (GCVE-0-2018-5773)

Vulnerability from cvelistv5

Published

2018-01-18 21:00

Modified

2024-09-16 17:47

Severity ?

CWE

Summary

An issue was discovered in markdown2 (aka python-markdown2) through 2.3.5. The safe_mode feature, which is supposed to sanitize user input against XSS, is flawed and does not escape the input properly. With a crafted payload, XSS can be triggered, as demonstrated by omitting the final '>' character from an IMG tag.

References

▼	URL	Tags
	https://github.com/trentm/python-markdown2/issues/285	x_refsource_MISC

Impacted products

	Vendor	Product	Version
	n/a	n/a	Version: n/a

Show details on NVD website

JSON

To clipboard

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        }
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}

Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
Confirmed: The vulnerability is confirmed from an analyst perspective.
Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
Patched: This vulnerability was successfully patched by the user reporting the sighting.
Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
Not confirmed: The user expresses doubt about the veracity of the vulnerability.
Not patched: This vulnerability was not successfully patched by the user reporting the sighting.

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