CVE-2020-26293

描述

### Impact If you have explicitly allowed the `<style>` tag, an attacker could craft HTML that includes script after passing through the sanitizer. The default settings disallow the `<style>` tag so there is no risk if you have not explicitly allowed the `<style>` tag. ### Patches The problem has been fixed in version 5.0.372. ### Workarounds Remove the `<style>` tag from the set of allowed tags. ### For more information If you have any questions or comments about this advisory open an issue in https://github.com/mganss/HtmlSanitizer ### Credits This issue was discovered by Michal Bentkowski of Securitum.

如何修補 CVE-2020-26293

要修補 CVE-2020-26293,請將受影響套件升級到下列已修補版本。

• —升級至 5.0.372 或更新版本

CVE-2020-26293 正在被利用嗎?

低 — EPSS 為 1.0%,目前沒有觀察到大規模利用活動。

受影響套件(1)

• from 0, < 5.0.372

CVSS 分數

參考連結(5)

• ADVISORYnvd.nist.gov/vuln/detail/CVE-2020-26293
• WEBgithub.com/mganss/HtmlSanitizer/commit/a3a7602a44d4155d51ec0fbbedc2a49e9c7e2eb8
• WEBgithub.com/mganss/HtmlSanitizer/releases/tag/v5.0.372
• WEBgithub.com/mganss/HtmlSanitizer/security/advisories/GHSA-8j9v-h2vp-2hhv