Quick answers
- Is CVE-2026-95591 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-95591 being exploited in the wild.
- How severe is CVE-2026-95591?
- High severity, with a CVSS score of 7.1, published 9 October 2026.
- Which products and versions are affected?
- E4jvikwp VikBooking Hotel Booking Engine & PMS through 1.8.14.
- Is there a fix for CVE-2026-95591?
- Yes: fixed in 1.8.15. Until then: Update to version 1.8.15 or later immediately. As interim protection, enable Patchstack mitigation rules to block XSS attack attempts until patching is complete. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
- How is CVE-2026-95591 attacked?
- It is attacked over the network, in a software library.
- Am I affected by CVE-2026-95591?
- 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.
How to fix
- Fixed in: 1.8.15
Update to version 1.8.15 or later immediately. As interim protection, enable Patchstack mitigation rules to block XSS attack attempts until patching is complete.
Technical details
Improper input neutralization in VikBooking's web page generation enables reflected XSS injection through unvalidated parameters. An unauthenticated attacker can craft a malicious URL and trick a user (such as an admin or guest) into clicking it, causing arbitrary JavaScript to execute in the victim's browser in the context of the vulnerable site.
Affected products
- e4jvikwp VikBooking Hotel Booking Engine & PMS through 1.8.14
Timeline
- 2026-10-09: disclosed
- 2026-09-08: reported
- 2026-10-03: patched: Version 1.8.15 released