CVE-2026-120327— Open Redirection in extension "Mail" (mail)

Quick assessment

Affected

TYPO3 Extension "Mail"

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.

点击追踪中间件接受任意目标 URL 并将其重定向到该地址。攻击者可利用指向该网站的链接，将用户重定向到外部站点。

CVSS 5.3 · Medium Updated Nov 03, 2026

Possible ATT&CK Techniques 1 AI

T1566 · Phishing

Get alerts for future matching vulnerabilities Log in to subscribe

Vulnerability Information

Have questions about the vulnerability? See if Shenlong's analysis helps!

View Shenlong Deep Dive ↗

Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title

Open Redirection in extension "Mail" (mail)

Source: CVE Program / CVE List V5

Vulnerability Description

The click tracking middleware accepts an arbitrary target URL and redirects to it. Attackers can misuse links to the website to redirect users to external sites.

Source: CVE Program / CVE List V5

CVSS Information

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:N/SI:L/SA:N

Source: CVE Program / CVE List V5

Vulnerability Type

指向未可信站点的URL重定向(开放重定向)

Source: CVE Program / CVE List V5

Affected Products

Vendor	Product	Affected Versions	CPE	Subscribe
TYPO3	Extension "Mail"	4.0.0 ~ 4.2.0	-

II. Public POCs for CVE-2026-120327

#	POC Description	Source Link	Shenlong Link

AI-Generated POC Premium

No public POC found.

III. Intelligence Information for CVE-2026-120327

请登录查看更多情报信息。

Other References for CVE-2026-120327 (1)

https://typo3.org/security/advisory/typo3-ext-sa-2026-037 vendor-advisory

https://www.cve.org/CVERecord?id=CVE-2026-120327

Same Patch Batch · TYPO3 · 2026-11-03 · 7 CVEs total

CVE-2026-120333	8.8 HIGH	Broken Access Control in extension "Frontend User Registration" (sf_register)
CVE-2026-120330	7.1 HIGH	Broken Access Control in extension "Mail" (mail)
CVE-2026-120328	6.9 MEDIUM	Information Disclosure in extension "Mail" (mail)
CVE-2026-120329	5.3 MEDIUM	Broken Access Control in extension "Mail" (mail)
CVE-2026-120331	5.3 MEDIUM	Server-Side Request Forgery in extension "Mail" (mail)
CVE-2026-120332	5.1 MEDIUM	Cross-Site Scripting in extension "Mail" (mail)

IV. Related Vulnerabilities

Same product: Extension "Mail"

Same vendor: TYPO3

Same weakness: CWE-601