CVE-2026-42653 WordPress SliceWP plugin <= 1.2.6 - Cross Site Scripting (XSS) vulnerability
Attackers can inject malicious scripts into WordPress sites using the SliceWP plugin, potentially compromising user sessions and site integrity.
- 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-2026-42653?
CVE-2026-42653 is a high-severity cross-site scripting vulnerability in iova.mihai SliceWP, published on 11 Jun 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
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in iova.Mihai SliceWP allows Stored XSS.
This issue affects SliceWP: from n/a through 1.2.6.
Weakness: CWE-79
Which versions are affected by CVE-2026-42653?
How do I fix CVE-2026-42653?
No fix has been published for CVE-2026-42653 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-2026-42653 being exploited?
There is no known exploitation of CVE-2026-42653 in the wild and no public exploit code.
Sources
Also known as GHSA-36wv-jqc8-m47v.