XSS in Zkteco Inc. Zkaccess Security System
CVE-2016-20032
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.
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N.
EPSS exploit prediction
EPSS: 0.003 (15.8th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 16th percentile — 15.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000
Affected products
- Zkteco Inc. Zkaccess Security System — versions 5.3.1, 5.3.12252
Weakness classification (CWE)
References
- www.zeroscience.mk/en/vulnerabilities/ZSL-2016-5368.php (third-party-advisory)
- cxsecurity.com/issue/WLB-2016090004 (third-party-advisory)
- exchange.xforce.ibmcloud.com/vulnerabilities/116479 (vdb-entry)
- packetstormsecurity.com/files/138572 (exploit)
- www.exploit-db.com/exploits/40328/ (exploit)
- www.vulncheck.com/advisories/zkteco-zkaccess-security-system-stored-xss (third-party-advisory)
Frequently asked questions
- What is CVE-2016-20032?
- CVE-2016-20032 is a high-severity vulnerability in Zkteco Inc. Zkaccess Security System, classified under Cross-site Scripting. CVSS score: 7.2/10. Published 2026-03-16.
- How severe is CVE-2016-20032?
- High severity. CVSS v3 base score is 7.2 out of 10.