CVE-2026-101110

Critical

Description

Joomla Extension - ordasoft.com - Unauthenticated SQL Injection in Book Library (Free) < 6.4.6 - site/booklibrary.php’s books() function reads the field and direction request parameters and passes each through a function called protectInjectionWithoutQuote(), whose only real protection is a keyword blacklist that, on detecting the literal substring select, wraps the value in $db->quote() instead of rejecting it. The value is then concatenated directly into an unquoted ORDER BY clause, a position where quoting provides no protection at all. Reaching the vulnerable code path requires two conditions: a first request to prime session-stored sort defaults, and a trailing decoy comment (-- xselect) that satisfies the blacklist’s substring check without altering the payload’s effect.

SeverityCritical
CVSS9.8
Exploit probability—
ProductOrdasoft Book Library
PublishedSep 28, 2026
First seenSep 28, 2026
Weakness typeCWE-89SQL injection

How to fix

Update
  • ordasoft book_library6.4.6 or later

Affected products

ProductAffected versionsFixed in
ordasoft book_libraryv < 6.4.66.4.6

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