CVE-2026-95670 No External Links <= 5.2.0 - Unauthenticated Stored Cross-Site Scripting via Log URL via /goto/{base64} Redirect
Unauthenticated attackers can inject arbitrary scripts via Base64 encoded URLs in the No External Links plugin, requiring Base64 encoding to be enabled.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-95670?
CVE-2026-95670 is a high-severity cross-site scripting vulnerability in mihdan No External Links, published on 2 Oct 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The No External Links plugin for WordPress is vulnerable to Stored Cross-Site Scripting via Log URL via /goto/{base64} Redirect in all versions up to, and including, 5.2.0 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. This is only exploitable when the administrator has enabled the 'Link Encoding: Base64' option in the plugin settings.
Weakness: CWE-79
Which versions are affected by CVE-2026-95670?
How do I fix CVE-2026-95670?
No fix has been published for CVE-2026-95670 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-2026-95670 being exploited?
There is no known exploitation of CVE-2026-95670 in the wild and no public exploit code.
Sources
Also known as GHSA-wwjw-5544-v47j.