SQL Injection in Readabler

CVE-2026-78576

The Readabler plugin for WordPress is vulnerable to SQL Injection in all versions up to 2.0.18 (exclusive) due to insufficient escaping on the user supplied parameter and lack of sufficient preparation on the existing SQL query. This makes it possible for unauthenticated attackers to append additional SQL queries into already existing queries that can be used to extract sensitive information from the database.

Vulnerability class: SQL Injection

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-78576?
CVE-2026-78576 is a high-severity vulnerability in Readabler, classified under SQL Injection. CVSS score: 7.5/10. Published 2026-08-25.
How severe is CVE-2026-78576?
High severity. CVSS v3 base score is 7.5 out of 10.