How severe is CVE-2023-48114?

CVE-2023-48114 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2023-48114 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (28th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-48114?

CVE-2023-48114 affects Smartertools Smartermail. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-48114?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2023-48114 published?

CVE-2023-48114 was published on 2023-12-21 and last updated on 2026-06-17.

CVE-2023-48114

CVE-2023-48114 is a medium-severity vulnerability in Smartertools Smartermail with a CVSS 3.x base score of 5.4. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

Severity: Medium (CVSS 3.x base score 5.4)
EPSS exploit prediction: 0% (28th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Smartertools Smartermail
Published: 2023-12-21
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2023-48114?: 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.
How severe is CVE-2023-48114?: CVE-2023-48114 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2023-48114 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (28th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-48114?: CVE-2023-48114 affects Smartertools Smartermail. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-48114?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-48114 published?: CVE-2023-48114 was published on 2023-12-21 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:smartertools:smartermail:*:*:*:*:*:*:*:*

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