CVE-2016-20032 ZKTeco ZKAccess Security System 5.3.1 Stored XSS
Attackers can inject malicious scripts via holiday and memo fields to steal user sessions and sensitive data in ZKTeco ZKAccess.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2016-20032?
CVE-2016-20032 is a medium-severity cross-site scripting vulnerability in ZKTeco ZKAccess Security System, published on 15 Mar 2026. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
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.
Weakness: CWE-79
Which versions are affected by CVE-2016-20032?
How do I fix CVE-2016-20032?
No fix has been published for CVE-2016-20032 yet. Limit exposure of the affected software until one is available.
Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.
Is CVE-2016-20032 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2016-20032 exists.
Sources
Also known as GHSA-f2hm-chx8-mfpm.