How severe is CVE-2023-48116?

CVE-2023-48116 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-2023-48116 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-2023-48116?

CVE-2023-48116 affects Smartertools Smartermail. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-48116?

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

When was CVE-2023-48116 published?

CVE-2023-48116 was published on 2023-12-21 and last updated on 2026-06-17.

CVE-2023-48116

CVE-2023-48116 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 via a crafted description of a Calendar appointment.

Frequently asked questions

What is CVE-2023-48116?: SmarterTools SmarterMail 8495 through 8664 before 8747 allows stored XSS via a crafted description of a Calendar appointment.
How severe is CVE-2023-48116?: CVE-2023-48116 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-2023-48116 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-2023-48116?: CVE-2023-48116 affects Smartertools Smartermail. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-48116?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-48116 published?: CVE-2023-48116 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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