CVE-2026-104389 WordPress Sirv plugin <= 8.2.5 - SQL Injection vulnerability
An attacker can perform blind SQL injection to read sensitive database information from the Sirv WordPress plugin.
- 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-2026-104389?
CVE-2026-104389 is a high-severity SQL injection vulnerability in Sirv, published on 5 Oct 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') vulnerability in Sirv Sirv sirv allows Blind SQL Injection.This issue affects Sirv: from n/a through 8.2.5.
Weakness: CWE-89
Which versions are affected by CVE-2026-104389?
How do I fix CVE-2026-104389?
No fix has been published for CVE-2026-104389 yet. Limit exposure of the affected software until one is available.
Use parameterised queries everywhere and never build SQL by joining strings. Upgrade affected software first; a web application firewall only buys time. More about SQL injection.
Is CVE-2026-104389 being exploited?
There is no known exploitation of CVE-2026-104389 in the wild and no public exploit code.
Sources
Also known as GHSA-4486-36hf-vvwr.