CVE-2026-120328
Information Disclosure in extension "Mail" (mail)
The click tracking middleware does not validate the authentication code of a recipient if the code is omitted. Unauthenticated attackers can retrieve personal data of newsletter recipients, which is inserted into links of sent mails.
Fixes and workarounds
No remediation reported in collected sources.
Missing remediation information is not evidence that no patch exists.
Affected products and versions
| Product | Versions | Authority |
|---|---|---|
| Extension "Mail" TYPO3 mediaessenz/mail
https://packagist.org/ |
≥ 4.0.0; < 4.2.0 (affected, semver) ≥ 0; < 3.12.5 (affected, semver) Other versions: unaffected |
CNA: TYPO3 |
Version ranges are source assertions. Check the vendor advisory and your installed configuration before determining exposure.
CVSS assessments
| Version / score | Vector | Authority |
|---|---|---|
| 4.0 / 6.9 medium |
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N | CNA: TYPO3 |
| 4.0 / 6.9 medium |
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X | NVD: f4fb688c-4412-4426-b4b8-421ecf27b14a |
Exploit evidence
No exploit evidence in collected sources. This is not proof of no exploitation.
References
- https://typo3.org/security/advisory/typo3-ext-sa-2026-037CNA: TYPO3 · vendor-advisory
- https://typo3.org/security/advisory/typo3-ext-sa-2026-037f4fb688c-4412-4426-b4b8-421ecf27b14a
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