Quick answers
- Is CVE-2026-42737 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-42737 being exploited in the wild.
- How severe is CVE-2026-42737?
- High severity, with a CVSS score of 8.6, published 27 May 2026.
- Which products and versions are affected?
- E4jvikwp VikBooking Hotel Booking Engine & PMS <= 1.8.9.
- Is there a fix for CVE-2026-42737?
- A patch was published on 2026-05-27: Fixed in version 1.8.10 Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
- How is CVE-2026-42737 attacked?
- It is attacked over the network, in a network appliance.
- Am I affected by CVE-2026-42737?
- Check whether you run E4jvikwp VikBooking Hotel Booking Engine & PMS at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.
Technical details
A path traversal vulnerability (CWE-22) exists in the VikBooking Hotel Booking Engine & PMS plugin for WordPress through version 1.8.9. The flaw allows an unauthenticated remote attacker to manipulate file paths to target files outside of the intended directory. By exploiting this, an attacker can trigger arbitrary file deletion on the server. According to the CVSS vector, the attack has a high impact on availability (A:H) and can affect components beyond the initial security scope (S:C). The issue is resolved in version 1.8.10.
Affected products
- e4jvikwp VikBooking Hotel Booking Engine & PMS <= 1.8.9
Timeline
- 2026-04-27: other: Reported by researcher dodoh4t
- 2026-05-27: disclosed: Vulnerability published by Patchstack
- 2026-05-27: patched: Fixed in version 1.8.10