How severe is CVE-2018-6891?

CVE-2018-6891 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-2018-6891 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (59th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-6891?

CVE-2018-6891 affects Booking-wp-plugin Bookly. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-6891?

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

When was CVE-2018-6891 published?

CVE-2018-6891 was published on 2018-02-11 and last updated on 2026-06-17.

CVE-2018-6891

CVE-2018-6891 is a medium-severity vulnerability in Booking-wp-plugin Bookly 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: 1% (59th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Booking-wp-plugin Bookly
Published: 2018-02-11
Last modified: 2026-06-17

Description

Bookly #1 WordPress Booking Plugin Lite before 14.5 has XSS via a jQuery.ajax request to ng-payment_details_dialog.js.

Frequently asked questions

What is CVE-2018-6891?: Bookly #1 WordPress Booking Plugin Lite before 14.5 has XSS via a jQuery.ajax request to ng-payment_details_dialog.js.
How severe is CVE-2018-6891?: CVE-2018-6891 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-2018-6891 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (59th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-6891?: CVE-2018-6891 affects Booking-wp-plugin Bookly. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-6891?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2018-6891 published?: CVE-2018-6891 was published on 2018-02-11 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:booking-wp-plugin:bookly:*:*:*:*:*:wordpress:*:*

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