Vulnerability-Lookup

CVE-2026-66683 (GCVE-0-2026-66683)

Vulnerability from cvelistv5 – Published: 2026-08-06 14:27 – Updated: 2026-08-06 19:05

Title

WordPress Custom CSS and JavaScript plugin <= 2.0.16 - Sensitive Data Exposure vulnerability

Summary

Unauthenticated Sensitive Data Exposure in Custom CSS and JavaScript <= 2.0.16 versions.

Severity

5.3 (Medium)


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

SSVC

Exploitation: none Automatable: yes Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-08-06 19:05 UTC

CWE

CWE-201 - Insertion of Sensitive Information Into Sent Data

Assigner

Patchstack mitre root

References

1 reference

URL	Tags
https://patchstack.com/database/wordpress/plugin/…	vdb-entry

Impacted products

1 product

Vendor	Product	Version	CPE status
WP Zone	Custom CSS and JavaScript	Affected: n/a , ≤ 2.0.16 (custom)	guessed

Credits

Ananda Dhakal (Patchstack) | Patchstack Bug Bounty Program

Show details on NVD website

JSON

To clipboard

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CNVD-2026-32212

Vulnerability from cnvd - Published: 2026-08-17

Title

WordPress Custom CSS and JavaScript数据泄露漏洞

Description

WordPress Custom CSS and JavaScript在WordPress中不修改主题核心文件的前提下，通过后台或插件添加自定义样式（CSS）与交互脚本（JS），以实现界面微调与功能扩展的安全机制。 WordPress Custom CSS and JavaScript存在数据泄露漏洞，该漏洞源于插件在向客户端发送数据时未对敏感信息进行充分保护，导致未认证用户可访问敏感数据。攻击者可利用该漏洞未认证获取敏感信息，造成敏感信息泄露。

Severity

中

Formal description

目前厂商尚未发布升级程序修复该安全问题，详情见厂商官网： https://wordpress.org/

Reference

https://patchstack.com/database/wordpress/plugin/custom-css-and-javascript/vulnerability/wordpress-custom-css-and-javascript-plugin-2-0-16-sensitive-data-exposure-vulnerability?_s_id=cve

Impacted products

Name
WordPress Custom CSS and JavaScript <=2.0.16

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2026-66683",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2026-66683"
    }
  },
  "description": "WordPress Custom CSS and JavaScript\u5728WordPress\u4e2d\u4e0d\u4fee\u6539\u4e3b\u9898\u6838\u5fc3\u6587\u4ef6\u7684\u524d\u63d0\u4e0b\uff0c\u901a\u8fc7\u540e\u53f0\u6216\u63d2\u4ef6\u6dfb\u52a0\u81ea\u5b9a\u4e49\u6837\u5f0f\uff08CSS\uff09\u4e0e\u4ea4\u4e92\u811a\u672c\uff08JS\uff09\uff0c\u4ee5\u5b9e\u73b0\u754c\u9762\u5fae\u8c03\u4e0e\u529f\u80fd\u6269\u5c55\u7684\u5b89\u5168\u673a\u5236\u3002\n\nWordPress Custom CSS and JavaScript\u5b58\u5728\u6570\u636e\u6cc4\u9732\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8e\u63d2\u4ef6\u5728\u5411\u5ba2\u6237\u7aef\u53d1\u9001\u6570\u636e\u65f6\u672a\u5bf9\u654f\u611f\u4fe1\u606f\u8fdb\u884c\u5145\u5206\u4fdd\u62a4\uff0c\u5bfc\u81f4\u672a\u8ba4\u8bc1\u7528\u6237\u53ef\u8bbf\u95ee\u654f\u611f\u6570\u636e\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u672a\u8ba4\u8bc1\u83b7\u53d6\u654f\u611f\u4fe1\u606f\uff0c\u9020\u6210\u654f\u611f\u4fe1\u606f\u6cc4\u9732\u3002",
  "formalWay": "\u76ee\u524d\u5382\u5546\u5c1a\u672a\u53d1\u5e03\u5347\u7ea7\u7a0b\u5e8f\u4fee\u590d\u8be5\u5b89\u5168\u95ee\u9898\uff0c\u8be6\u60c5\u89c1\u5382\u5546\u5b98\u7f51\uff1a\r\nhttps://wordpress.org/",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2026-32212",
  "openTime": "2026-08-17",
  "products": {
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  "serverity": "\u4e2d",
  "submitTime": "2026-08-12",
  "title": "WordPress Custom CSS and JavaScript\u6570\u636e\u6cc4\u9732\u6f0f\u6d1e"
}

FKIE_CVE-2026-66683

Vulnerability from fkie_nvd - Published: 2026-08-06 15:17 - Updated: 2026-08-12 20:58

Severity

5.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Summary

Unauthenticated Sensitive Data Exposure in Custom CSS and JavaScript <= 2.0.16 versions.

References

	URL	Tags
	audit@patchstack.com	https://patchstack.com/database/wordpress/plugin/custom-css-and-javascript/vulnerability/wordpress-custom-css-and-javascript-plugin-2-0-16-sensitive-data-exposure-vulnerability?_s_id=cve

Impacted products

	Vendor	Product	Version

JSON

To clipboard

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GHSA-2QQ4-P3MF-F362

Vulnerability from github – Published: 2026-08-06 15:32 – Updated: 2026-08-06 15:32

Details

Unauthenticated Sensitive Data Exposure in Custom CSS and JavaScript <= 2.0.16 versions.

Severity

5.3 (Medium)


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

Show details on source website

JSON

To clipboard

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  "affected": [],
  "aliases": [
    "CVE-2026-66683"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-201"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-08-06T15:17:21Z",
    "severity": "MODERATE"
  },
  "details": "Unauthenticated Sensitive Data Exposure in Custom CSS and JavaScript \u003c= 2.0.16 versions.",
  "id": "GHSA-2qq4-p3mf-f362",
  "modified": "2026-08-06T15:32:48Z",
  "published": "2026-08-06T15:32:48Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-66683"
    },
    {
      "type": "WEB",
      "url": "https://patchstack.com/database/wordpress/plugin/custom-css-and-javascript/vulnerability/wordpress-custom-css-and-javascript-plugin-2-0-16-sensitive-data-exposure-vulnerability?_s_id=cve"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N",
      "type": "CVSS_V3"
    }
  ]
}

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.

Action not permitted

CVE-2026-66683 (GCVE-0-2026-66683)

CNVD-2026-32212

FKIE_CVE-2026-66683

GHSA-2QQ4-P3MF-F362

Tags

Sightings

Nomenclature

Related by attack behaviour