CVE-2026-27427 WordPress Geo Mashup plugin <= 1.13.18 - Cross Site Scripting (XSS) vulnerability
Stored XSS in Geo Mashup allows attackers to inject scripts, potentially leading to session hijacking or malicious actions on WordPress sites.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-27427?
CVE-2026-27427 is a medium-severity cross-site scripting vulnerability in Dylan Kuhn Geo Mashup, published on 26 May 2026. Any signed-in user can exploit it over the network, 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 Dylan Kuhn Geo Mashup allows Stored XSS.
This issue affects Geo Mashup: from n/a through 1.13.18.
Weakness: CWE-79
Which versions are affected by CVE-2026-27427?
How do I fix CVE-2026-27427?
No fix has been published for CVE-2026-27427 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-2026-27427 being exploited?
There is no known exploitation of CVE-2026-27427 in the wild and no public exploit code.
Sources
Also known as GHSA-7r8v-3xv6-7cm6.