PT-2026-64039 · Joomla · Phoca Guestbook

CVE-2026-65762 · Published 2026-07-23 · Updated 2026-07-23

Positive Technologies (AI Summary)

CVSS v4.0

5.1

Medium

Base vector

AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Name of the Vulnerable Software and Affected Versions Phoca Guestbook versions 1.0.0 through 6.1.0

Description Improper validation of user inputs leads to a reflected Cross-Site Scripting (XSS) issue, where an attacker can execute malicious scripts in the context of a user's session.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2026-65762

Affected Products

Phoca Guestbook

References · 2

• https://nvd.nist.gov/vuln/detail/CVE-2026-65762 · Security Note
• https://phoca.cz/phocaguestbook · Note