What’s Vulnerable › Vulnerabilities

CVE-2023-48114

• Severity: medium (CVSS 5.4 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2023-12-21 · updated 2026-06-17
• Weakness: CWE-79

Description

SmarterTools SmarterMail 8495 through 8664 before 8747 allows stored XSS by using image/svg+xml and an uploaded SVG document. This occurs because the application tries to allow youtube.com URLs, but actually allows youtube.com followed by an @ character and an attacker-controlled domain name.

Affected products

• SmarterTools SmarterMail: from 16.0.8495 before 16.0.8747 — fixed in 16.0.8747

How to fix

Upgrade to a fixed version: SmarterTools SmarterMail 16.0.8747. Check the vendor advisory for mitigations.

References

• https://co3us.gitbook.io/write-ups/stored-xss-in-email-body-of-smartermail-cve-2023-48114
• https://www.smartertools.com/smartermail/release-notes/current
• https://co3us.gitbook.io/write-ups/stored-xss-in-email-body-of-smartermail-cve-2023-48114
• https://www.smartertools.com/smartermail/release-notes/current

Get alerted when CVE-2023-48114 or the next vulnerability affects your stack