Vulnerability-Lookup

CNVD-2021-26140

Vulnerability from cnvd - Published: 2021-04-09

Title

Froala Editor跨站脚本漏洞

Description

Froala Editor是一款基于Web的WYSIWYG富文本编辑器。 Froala Editor 3.2.6版本中的超链接创建模块存在跨站脚本漏洞。攻击者可通过特制base64字符串利用该漏洞进行跨站脚本攻击。

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://froala.com/

Reference

https://nvd.nist.gov/vuln/detail/CVE-2021-30109

Impacted products

Name
Froala Froala Editor 3.2.6

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2021-30109",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2021-30109"
    }
  },
  "description": "Froala Editor\u662f\u4e00\u6b3e\u57fa\u4e8eWeb\u7684WYSIWYG\u5bcc\u6587\u672c\u7f16\u8f91\u5668\u3002\n\nFroala Editor 3.2.6\u7248\u672c\u4e2d\u7684\u8d85\u94fe\u63a5\u521b\u5efa\u6a21\u5757\u5b58\u5728\u8de8\u7ad9\u811a\u672c\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u901a\u8fc7\u7279\u5236base64\u5b57\u7b26\u4e32\u5229\u7528\u8be5\u6f0f\u6d1e\u8fdb\u884c\u8de8\u7ad9\u811a\u672c\u653b\u51fb\u3002",
  "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://froala.com/",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-26140",
  "openTime": "2021-04-09",
  "products": {
    "product": "Froala Froala Editor 3.2.6"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2021-30109",
  "serverity": "\u4e2d",
  "submitTime": "2021-04-06",
  "title": "Froala Editor\u8de8\u7ad9\u811a\u672c\u6f0f\u6d1e"
}

CVE-2021-30109 (GCVE-0-2021-30109)

Vulnerability from cvelistv5 – Published: 2021-04-05 12:52 – Updated: 2026-07-09 00:13

Summary

Froala Editor 3.2.6 is affected by Cross Site Scripting (XSS). Under certain conditions, a base64 crafted string leads to persistent Cross-site scripting (XSS) vulnerability within the hyperlink creation module.

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root

References

1 reference

URL	Tags
https://github.com/Hackdwerg/CVE-2021-30109/blob/…

Show details on NVD website

JSON

To clipboard

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          "dateUpdated": "2026-07-09T00:13:21.146Z",
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                            "version_value": "n/a"
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    "dateReserved": "2021-04-02T00:00:00.000Z",
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    "state": "PUBLISHED"
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Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.