How severe is CVE-2023-27918?

CVE-2023-27918 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-2023-27918 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (40th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-27918?

CVE-2023-27918 affects Tms-outsource Amelia. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-27918?

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

When was CVE-2023-27918 published?

CVE-2023-27918 was published on 2023-05-10 and last updated on 2026-06-17.

CVE-2023-27918

CVE-2023-27918 is a medium-severity vulnerability in Tms-outsource Amelia 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)
EPSS exploit prediction: 1% (40th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Tms-outsource Amelia
Published: 2023-05-10
Last modified: 2026-06-17

Description

Cross-site scripting vulnerability in Appointment and Event Booking Calendar for WordPress - Amelia versions prior to 1.0.76 allows a remote unauthenticated attacker to inject an arbitrary script by having a user who is logging in the WordPress where the product is installed visit a malicious URL.

Frequently asked questions

What is CVE-2023-27918?: Cross-site scripting vulnerability in Appointment and Event Booking Calendar for WordPress - Amelia versions prior to 1.0.76 allows a remote unauthenticated attacker to inject an arbitrary script by having a user who is logging in the WordPress where the product is installed visit a malicious URL.
How severe is CVE-2023-27918?: CVE-2023-27918 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-2023-27918 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (40th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-27918?: CVE-2023-27918 affects Tms-outsource Amelia. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-27918?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-27918 published?: CVE-2023-27918 was published on 2023-05-10 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:tms-outsource:amelia:*:*:*:*:*:wordpress:*:*

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