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地图 / Bypass of privacy filter / tracking pixel blocker

Bypass of privacy filter / tracking pixel blocker

信息泄露 / 信息泄露 / #1215251

厂商
Nextcloud
严重程度
低危 · CVSS 4.7
赏金
$100
弱点
信息泄露
研究员
@foobar7
披露日期
2021-08-11
资产
nextcloud/mail
CVE
CVE-2021-32707

该报告还没有中文解读。

原文摘录

摘自原文(1494 字符中的一小部分)
When the mail app receives inline images, it will block them for privacy reasons to prevent tracking pixels (`The images have been blocked to protect your privacy`).
原文中的代码
    <style>
        big {
            background-image: url(https://www.google.com/logos/doodles/2021/celebrating-frank-kameny-6753651837108392-l.png);

        }
        ul {
            list-style-image: …

默认不展示报告全文。以上为简短摘录,完整复现过程请阅读原文。版权归研究员与 Nextcloud 所有。

时间线

  • 报告提交
  • 公开披露
阅读 HackerOne 原文 ↗作者 @foobar7 · 版权归作者与 Nextcloud 所有

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