CVE-2026-86609 Download Manager Pro < 7.5.6 - Unauthenticated Stored XSS via Email Lock Subscription
Unauthenticated attackers can inject malicious scripts via email subscription forms, leading to stored XSS attacks against administrators in the Download Manager Pro plugin.
- 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-2026-86609?
CVE-2026-86609 is a high-severity cross-site scripting vulnerability in Unknown Download Manager, published on 27 Sep 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
The Download Manager WordPress plugin before 7.5.6 does not sanitise and escape data submitted through its email-locked download subscription form before outputting it back in an admin page, which could allow unauthenticated attackers to perform Stored Cross-Site Scripting attacks against administrators. This affects the commercial Pro edition only; the free Download Manager WordPress plugin before 7.5.6 published under the same slug does not ship the affected feature.
Weakness: CWE-79
Which versions are affected by CVE-2026-86609?
How do I fix CVE-2026-86609?
No fix has been published for CVE-2026-86609 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-2026-86609 being exploited?
There is no known exploitation of CVE-2026-86609 in the wild and no public exploit code.
Sources
Also known as GHSA-rr6w-vhh4-c36m.