CVE-2025-55713 WordPress Blocksy Theme <= 2.1.6 - Cross Site Scripting (XSS) Vulnerability
Attackers can inject malicious scripts into the Blocksy WordPress theme, potentially stealing user data or hijacking sessions.
- 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-2025-55713?
CVE-2025-55713 is a medium-severity cross-site scripting vulnerability in creativethemeshq Blocksy, published on 14 Aug 2025. An attacker needs administrator access to exploit it, 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 creativethemeshq Blocksy blocksy allows Stored XSS.This issue affects Blocksy: from n/a through <= 2.1.6.
Weakness: CWE-79
Which versions are affected by CVE-2025-55713?
How do I fix CVE-2025-55713?
No fix has been published for CVE-2025-55713 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-2025-55713 being exploited?
There is no known exploitation of CVE-2025-55713 in the wild and no public exploit code.
Sources
Also known as GHSA-g4xx-hrw7-ww9q.