CVE-2025-12112 Insert Headers and Footers Code – HT Script <= 1.1.6 - Authenticated (Author+) Stored Cross-Site Scripting
Authenticated attackers with Author access can inject arbitrary scripts into pages, leading to potential session hijacking or malicious actions.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-12112?
CVE-2025-12112 is a medium-severity cross-site scripting vulnerability in htplugins Insert Headers and Footers Code – HT Script, published on 8 Nov 2025. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
The Insert Headers and Footers Code – HT Script plugin for WordPress is vulnerable to Stored Cross-Site Scripting via adding scripts in all versions up to, and including, 1.1.6 due to insufficient capability checks. This makes it possible for authenticated attackers, with Author-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
Weakness: CWE-79
Which versions are affected by CVE-2025-12112?
How do I fix CVE-2025-12112?
No fix has been published for CVE-2025-12112 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-2025-12112 being exploited?
There is no known exploitation of CVE-2025-12112 in the wild and no public exploit code.
Sources
Also known as GHSA-mxg7-8fqf-6h2j.