CVE-2026-7686— Adblock Plus 安全漏洞
一分钟漏洞结论
影响对象
eyeo Adblock Plus
利用判断
尚无明确在野利用证据，仍需结合暴露面评估
建议动作
优先检查厂商安全公告和参考链接中的修复版本；无法立即升级时，限制受影响服务暴露并加强监测。
Adblock Plus是Ad-IP开源的一款广告拦截工具。 Adblock Plus 4.36.2及之前版本存在安全漏洞，该漏洞源于组件Legacy Premium Activation中文件premium.preload.js的函数postMessage，可能导致访问控制不当。
影响版本矩阵 3
| 厂商 | 产品 | 版本范围 | 状态 |
|---|---|---|---|
| eyeo | Adblock Plus | 4.36.0 |
affected |
4.36.1 |
affected | ||
4.36.2 |
affected |
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一、 漏洞 CVE-2026-7686 基础信息
漏洞信息
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Vulnerability Title
eyeo Adblock Plus Legacy Premium Activation premium.preload.js postMessage access control
来源: CVE Program / CVE List V5
Vulnerability Description
A vulnerability was found in eyeo Adblock Plus up to 4.36.2 on Chrome. Affected by this vulnerability is the function postMessage of the file premium.preload.js of the component Legacy Premium Activation. Performing a manipulation results in improper access controls. Remote exploitation of the attack is possible. The exploit has been made public and could be used. Upgrading the affected component is recommended. The vendor provides additional details: "The affected code path is a legacy Premium activation flow that has been deprecated. eyeo has already migrated to a new user account-based licensing system. The exploit does not grant permanent Premium access. The licensing server issues a short-lived trial license (valid for approximately 24 hours) for any submitted userId. On the next license check, the server validates against a real subscription and the trial expires if no valid subscription is found. The researcher's claim of permanently unlocking all Premium features is therefore incorrect. (...) The old flow has been present for years and has not been weaponized at scale to our knowledge. The risk to eyeo and to users is minimal."
来源: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
来源: CVE Program / CVE List V5
Vulnerability Type
访问控制不恰当
来源: CVE Program / CVE List V5
Vulnerability Title
Adblock Plus 安全漏洞
来源: 中国国家信息安全漏洞库 CNNVD
Vulnerability Description
Adblock Plus是Ad-IP开源的一款广告拦截工具。 Adblock Plus 4.36.2及之前版本存在安全漏洞，该漏洞源于组件Legacy Premium Activation中文件premium.preload.js的函数postMessage，可能导致访问控制不当。
来源: 中国国家信息安全漏洞库 CNNVD
CVSS Information
N/A
来源: 中国国家信息安全漏洞库 CNNVD
Vulnerability Type
N/A
来源: 中国国家信息安全漏洞库 CNNVD
受影响产品
| 厂商 | 产品 | 影响版本 | CPE | 订阅 |
|---|---|---|---|---|
| eyeo | Adblock Plus | 4.36.0 | - |
|
二、漏洞 CVE-2026-7686 的公开POC
| # | POC 描述 | 源链接 | 神龙链接 |
|---|
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CVE-2026-7686 新闻报道 (1)
CVE-2026-7686 厂商页面 (1)
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IV. Related Vulnerabilities
V. Comments for CVE-2026-7686
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