CVE-2021-32768— Cross-Site Scripting via Rich-Text Content
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I. Basic Information for CVE-2021-32768
Vulnerability Information
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Vulnerability Title
Cross-Site Scripting via Rich-Text Content
Source: NVD (National Vulnerability Database)
Vulnerability Description
TYPO3 is an open source PHP based web content management system released under the GNU GPL. In affected versions failing to properly parse, sanitize and encode malicious rich-text content, the content rendering process in the website frontend is vulnerable to cross-site scripting. Corresponding rendering instructions via TypoScript functionality HTMLparser does not consider all potentially malicious HTML tag & attribute combinations per default. In default scenarios, a valid backend user account is needed to exploit this vulnerability. In case custom plugins used in the website frontend accept and reflect rich-text content submitted by users, no authentication is required. Update to TYPO3 versions 7.6.53 ELTS, 8.7.42 ELTS, 9.5.29, 10.4.19, 11.3.2 that fix the problem described.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
Source: NVD (National Vulnerability Database)
Vulnerability Title
TYPO3跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
TYPO3是瑞士TYPO3（Typo3）协会的一套免费开源的内容管理系统(框架)(CMS/CMF)。 TYPO3存在跨站脚本漏洞，该漏洞源于如果受影响的版本不能正确地解析、清理和编码恶意富文本内容，那么网站前端的内容呈现过程很容易受到跨站点脚本的攻击。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
II. Public POCs for CVE-2021-32768
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- https://typo3.org/security/advisory/typo3-core-sa-2021-013x_refsource_MISC
- https://github.com/TYPO3/TYPO3.CMS/security/advisories/GHSA-c5c9-8c6m-727vx_refsource_CONFIRM
- https://nvd.nist.gov/vuln/detail/CVE-2021-32768
IV. Related Vulnerabilities
Same product: TYPO3.CMS
Same vendor: TYPO3
- CVE-2026-6553
TYPO3 CMS Stores Cleartext Password in User Settings Module - CVE-2026-4208
Authentication Bypass in extension "E-Mail MFA Provider" (mf - CVE-2026-4202
Broken Access Control in extension "Redirect Tab" - CVE-2026-1323
Insecure Deserialization in extension "Mailqueue" (mailqueue - CVE-2026-0895
Insecure Deserialization in extension "Mailqueue" (mailqueue
Same weakness: CWE-79
- CVE-2026-8262
Devs Palace ERP Online chart-save cross site scripting - CVE-2026-8256
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Devs Palace ERP Online add_new_customer cross site scripting - CVE-2026-8254
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Devs Palace ERP Online purchase_save cross site scripting
V. Comments for CVE-2021-32768
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