CVE-2016-20032
CWE-79Published: March 16, 2026· Updated: Mar 16, 2026
Official Description
ZKTeco ZKAccess Security System 5.3.1 contains a stored cross-site scripting vulnerability that allows attackers to execute arbitrary HTML and script code by injecting malicious payloads through the 'holiday_name' and 'memo' POST parameters. Attackers can submit crafted requests with script code in these parameters to compromise user browser sessions and steal sensitive information.
Technical Analysis
CVE-2016-20032 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.
The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.
The vulnerability has a "Changed" scope, meaning successful exploitation can impact components beyond the vulnerable component itself — such as the host operating system or adjacent services.
From a weakness classification perspective (CWE-79): Cross-site scripting (XSS) vulnerabilities allow attackers to inject malicious scripts into web pages viewed by other users.
CVSS v3.1 Vector Breakdown
Exploit & PoC Resources
All References (6)
Quick Facts
Related CVEs (CWE-79)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2016-20032 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts