XSS in Triconsole Datepicker Calendar

CVE-2021-27330

Triconsole Datepicker Calendar <3.77 is affected by cross-site scripting (XSS) in calendar_form.php. Attackers can read authentication cookies that are still active, which can be used to perform further attacks such as reading browser history, directory listings, and file contents.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.062 (92.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2021-27330?
CVE-2021-27330 is a medium-severity vulnerability in Triconsole Datepicker Calendar, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2021-02-25.
How severe is CVE-2021-27330?
Medium severity. CVSS v3 base score is 6.1 out of 10.
Is CVE-2021-27330 known to be exploited?
2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.