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CVE-2021-36092— XSS attack using special link in email

Quick assessment

Affected
OTRS AG ((OTRS)) Community Edition
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

OTRS是德国 （OTRS）公司的一个应用软件。一个服务管理软件。 OTRS AG OTRS 存在跨站脚本漏洞，攻击者可以创建一个包含特制链接的电子邮件来执行 XSS 攻击。以下产品和版本受到影响：OTRS AG ((OTRS)) 社区版 6.0.32 及之前的版本、OTRS AG OTRS 7.0.27 及之前的版本、OTRS AG OTRS 8.0.14 及之前的版本。

CVSS 6.5 · Medium EPSS 0.72% · P52
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I. Basic Information for CVE-2021-36092

Vulnerability Information
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Vulnerability Title
XSS attack using special link in email
Source: CVE Program / CVE List V5
Vulnerability Description
It's possible to create an email which contains specially crafted link and it can be used to perform XSS attack. This issue affects: OTRS AG ((OTRS)) Community Edition:6.0.x version 6.0.1 and later versions. OTRS AG OTRS: 7.0.x version 7.0.27 and prior versions; 8.0.x version 8.0.14 and prior versions.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Source: CVE Program / CVE List V5
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: CVE Program / CVE List V5
Vulnerability Title
OTRS 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
OTRS是德国 （OTRS）公司的一个应用软件。一个服务管理软件。 OTRS AG OTRS 存在跨站脚本漏洞，攻击者可以创建一个包含特制链接的电子邮件来执行 XSS 攻击。以下产品和版本受到影响：OTRS AG ((OTRS)) 社区版 6.0.32 及之前的版本、OTRS AG OTRS 7.0.27 及之前的版本、OTRS AG OTRS 8.0.14 及之前的版本。
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

Vendor Product Affected Versions CPE Subscribe
OTRS AG ((OTRS)) Community Edition 6.0.1 ~ 6.0.x* -
OTRS AG OTRS 7.0.x ~ 7.0.27 -

II. Public POCs for CVE-2021-36092

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III. Intelligence Information for CVE-2021-36092

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Other References for CVE-2021-36092 (1)

Same Patch Batch · OTRS AG · 2021-07-26 · 5 CVEs total

CVE-2021-21440 5.2 MEDIUM Support Bundle includes S/Mime and PGP keys
CVE-2021-21442 4.5 MEDIUM XSS vulnerability in Time Accounting
CVE-2021-21443 3.5 LOW Unautorized listing of the customer user emails
CVE-2021-36091 3.5 LOW Unautorized access to the calendar appointments

IV. Related Vulnerabilities

Same product: ((OTRS)) Community Edition
Same vendor: OTRS AG
Same weakness: CWE-79

V. Comments for CVE-2021-36092

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