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CVE-2026-101111MediumCVSS 5.3Published 28 September 2026

Book Library (com_booklibrary) below 6.4.6 - Reflected Cross-Site Scripting

Book Library by OrdaSoft before 6.4.6 echoes the raw title request parameter into a double-quoted HTML attribute on the public book page (site/views/view_book/tmpl/default.php) with no escaping, so a crafted link runs script in the browser of whoever opens it. CVE-2026-101111, CVSS 4.0 5.3 Medium. Update to the newest release OrdaSoft offers.

Affected versions: < 6.4.6

Official record: cve.org · NVD

Every connected Joomla site is checked against this rule on each audit, and flagged if it runs an affected version.

Check whether your sites are affected

How CVE-2026-101111 is scored

The base metrics as Joomla CNA published them, and what each one means for a site running an affected version. Threat and environmental metrics are left out: they describe a moment or a particular install rather than the flaw.

5.3 Medium

CVSS 4.0, scored by Joomla CNA
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N

How it is reached

AV:N Attack vector
Network. Reachable across the internet
AC:L Attack complexity
Low. Nothing to work around, it just works
AT:N Attack requirements
None. Works against any affected install
PR:N Privileges required
None. No account needed
UI:P User interaction
Passive. Someone has to visit a page

What it does to the site

VC:L Confidentiality
Low. Some data can be read
VI:L Integrity
Low. Some data can be altered
VA:L Availability
Low. The site slows or stutters

What it does beyond the site

SC:N Confidentiality
None. Other systems keep their data
SI:N Integrity
None. Other systems keep their integrity
SA:N Availability
None. Other systems stay up

Affected extensions and versions

Our disclosure post

Three OrdaSoft Joomla Extensions Have Unauthenticated SQL Injections in Their Sort Order

Three OrdaSoft Joomla Extensions Have Unauthenticated SQL Injections in Their Sort Order

Real Estate Manager, Vehicle Manager and Book Library for Joomla each have an SQL injection needing no login and a reflected XSS. Six CVEs and their fixes.

Running an affected version on a site you manage?

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Rules current as of 28 September 2026.