CVE-2022-3618 Spacer < 3.0.7 - Admin+ Stored XSS
Admin users can inject malicious scripts via unsanitized settings in the Spacer plugin, bypassing unfiltered_html restrictions in multisite environments.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2022-3618?
CVE-2022-3618 is a medium-severity cross-site scripting vulnerability in Unknown Spacer, published on 21 Nov 2022. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.
Official description
The Spacer WordPress plugin before 3.0.7 does not sanitize and escapes some of its settings, which could allow high-privilege users such as admin to perform Stored Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed (for example, in multisite setup).
Which versions are affected by CVE-2022-3618?
It affects 1 product.
Products include Clevelandwebdeveloper Spacer.
How do I fix CVE-2022-3618?
No fix has been published for CVE-2022-3618 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-2022-3618 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2022-3618 exists.
Sources
Also known as GHSA-xvcr-mm2p-vgrf.