CVE-2026-85127 VikBooking 1.8.8 - 1.8.14 - Unauthenticated Stored XSS via SVG Chat Attachment
Unauthenticated attackers can store malicious SVG files in live chat attachments, leading to XSS execution when administrators view the conversation.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-85127?
CVE-2026-85127 is a high-severity cross-site scripting vulnerability in Unknown VikBooking Hotel Booking Engine & PMS, published on 18 Sep 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official 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.
Weakness: CWE-79
Which versions are affected by CVE-2026-85127?
How do I fix CVE-2026-85127?
No fix has been published for CVE-2026-85127 yet. Limit exposure of the affected software until one is available.
Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.
Is CVE-2026-85127 being exploited?
There is no known exploitation of CVE-2026-85127 in the wild and no public exploit code.
Sources
Also known as GHSA-m65h-f32q-qmrr.