How severe is CVE-2026-42683?

CVE-2026-42683 has a CVSS 3.x base score of 7.1, rated high 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 low.

Is CVE-2026-42683 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (4th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-42683?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2026-42683 have an EU (EUVD) identifier?

Yes. CVE-2026-42683 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-33653.

When was CVE-2026-42683 published?

CVE-2026-42683 was published on 2026-06-01 and last updated on 2026-06-17.

CVE-2026-42683

CVE-2026-42683 is a high-severity vulnerability with a CVSS 3.x base score of 7.1. 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: High (CVSS 3.x base score 7.1)
EPSS exploit prediction: 0% (4th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-33653
Weakness: CWE-79
Published: 2026-06-01
Last modified: 2026-06-17

Description

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in e4jvikwp VikBooking Hotel Booking Engine & PMS allows DOM-Based XSS. This issue affects VikBooking Hotel Booking Engine & PMS: from n/a through 1.8.8.

Frequently asked questions

What is CVE-2026-42683?: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in e4jvikwp VikBooking Hotel Booking Engine & PMS allows DOM-Based XSS. This issue affects VikBooking Hotel Booking Engine & PMS: from n/a through 1.8.8.
How severe is CVE-2026-42683?: CVE-2026-42683 has a CVSS 3.x base score of 7.1, rated high 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 low.
Is CVE-2026-42683 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (4th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-42683?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2026-42683 have an EU (EUVD) identifier?: Yes. CVE-2026-42683 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-33653.
When was CVE-2026-42683 published?: CVE-2026-42683 was published on 2026-06-01 and last updated on 2026-06-17.

References

https://patchstack.com/database/wordpress/plugin/vikbooking/vulnerability/wordpress-vikbooking-hotel-booking-engine-pms-plugin-1-8-8-cross-site-scripting-xss-vulnerability?_s_id=cve

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