CVE-2026-120331
Last modified
CVE-2026-120331 is a medium-severity vulnerability rated 5.3/10 on the CVSS scale. Content of external URL mails, their stylesheets and images to embed is fetched by the server without validating the target host. Backend users with access to the mail module can make the server send requests to hosts in the internal network.. EPSS estimates a 0.35% chance of exploitation in the next 30 days.
Description
Content of external URL mails, their stylesheets and images to embed is fetched by the server without validating the target host. Backend users with access to the mail module can make the server send requests to hosts in the internal network.
Metrics
Weakness Enumeration
Affected Software
Source: CNA advisory (CVE.org). NVD analysis pending.
| Vendor | Product | Versions |
|---|---|---|
| TYPO3 | Extension "Mail" | >= 4.0.0, < 4.2.0; < 3.12.5 |
References
Timeline
- Published
- Last Modified
- Status
- Deferred
Frequently Asked Questions
What is CVE-2026-120331?
How severe is CVE-2026-120331?
How do I fix CVE-2026-120331?
How Strix Helps
- One Click Account Takeover in GranolaHow a notification link broke out of Electron and led to a one-click account takeover.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2026
- CVE-2026-120325A security vulnerability has been detected in Webpro-nl Knip…6.3
- CVE-2026-120327The click tracking middleware accepts an arbitrary target UR…5.3
- CVE-2026-120328The click tracking middleware does not validate the authenti…6.9
- CVE-2026-120329Saving the configuration of the mail backend module writes s…5.3
- CVE-2026-12033Out of bounds read in VideoCapture in Google Chrome prior to…5.3
- CVE-2026-120330Backend actions and ajax routes of the mail module do not ch…7.1
- CVE-2026-120332The HTML content of mails and tracked URLs are rendered unes…5.1
- CVE-2026-120333The actions linked in the emails of the extension (e.g. to c…8.8
- CVE-2026-120334A flaw has been found in deepset-ai farm up to 0.8.0. This i…4.3
- CVE-2026-120335A vulnerability has been found in deepset-ai farm up to 0.8.…4.8
- CVE-2026-120336A vulnerability was found in VStarcam O-KAM Client 1.3.3.32.…7.3
- CVE-2026-120337A vulnerability was determined in VStarcam O-KAM SuperIPCam …7.3
Are you affected by CVE-2026-120331?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST
