How severe is CVE-2018-11628?

CVE-2018-11628 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2018-11628 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (88th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-11628?

CVE-2018-11628 affects Emssoftware Ems Master Calendar. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-11628?

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

When was CVE-2018-11628 published?

CVE-2018-11628 was published on 2018-06-01 and last updated on 2026-06-17.

CVE-2018-11628

CVE-2018-11628 is a medium-severity vulnerability in Emssoftware Ems Master Calendar with a CVSS 3.x base score of 6.1. 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 6.1)
CVSS v2: 4.3
EPSS exploit prediction: 3% (88th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Emssoftware Ems Master Calendar
Published: 2018-06-01
Last modified: 2026-06-17

Description

Data input into EMS Master Calendar before 8.0.0.201805210 via URL parameters is not properly sanitized, allowing malicious attackers to send a crafted URL for XSS.

Frequently asked questions

What is CVE-2018-11628?: Data input into EMS Master Calendar before 8.0.0.201805210 via URL parameters is not properly sanitized, allowing malicious attackers to send a crafted URL for XSS.
How severe is CVE-2018-11628?: CVE-2018-11628 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2018-11628 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (88th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-11628?: CVE-2018-11628 affects Emssoftware Ems Master Calendar. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-11628?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2018-11628 published?: CVE-2018-11628 was published on 2018-06-01 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:emssoftware:ems_master_calendar:*:*:*:*:*:*:*:*

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