CVE-2021-31682

Severity: medium (CVSS 6.1 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 10.5% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2021-10-22 · updated 2026-06-17
Weakness: CWE-79

Description

The login portal for the Automated Logic WebCTRL/WebCTRL OEM web application contains a vulnerability that allows for reflected XSS attacks due to the operatorlocale GET parameter not being sanitized. This issue impacts versions 6.5 and below. This issue works by passing in a basic XSS payload to a vulnerable GET parameter that is reflected in the output without sanitization.

Affected products

Automatedlogic Webctrl: through 6.5

References

http://packetstormsecurity.com/files/164707/WebCTRL-OEM-6.5-Cross-Site-Scripting.html
https://github.com/3ndG4me/WebCTRL-OperatorLocale-Parameter-Reflected-XSS
https://www.automatedlogic.com/en/products-services/webctrl-building-automation-system/
http://packetstormsecurity.com/files/164707/WebCTRL-OEM-6.5-Cross-Site-Scripting.html
https://github.com/3ndG4me/WebCTRL-OperatorLocale-Parameter-Reflected-XSS
https://www.automatedlogic.com/en/products-services/webctrl-building-automation-system/

Get alerted when CVE-2021-31682 or the next vulnerability affects your stack