CVE-2021-27330

Name: CVE-2021-27330
Creator: NVD / NIST
Published: 2021-02-25T16:15:12.26+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.1/10EPSS 6.20%

Last modified Jun 17, 2026

CVE-2021-27330 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. 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.. EPSS estimates a 6.20% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1

6.1/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

EPSS Probability

6.20%

92.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Triconsole	Datepicker Calendar	< 3.77

References

http://packetstormsecurity.com/files/161570/Triconsole-3.75-Cross-Site-Scripting.htmlExploit, Third Party Advisory
http://www.triconsole.com/Product
http://www.triconsole.com/php/calendar_datepicker.phpProduct
https://www.exploit-db.com/exploits/49597Exploit, Third Party Advisory
http://packetstormsecurity.com/files/161570/Triconsole-3.75-Cross-Site-Scripting.htmlExploit, Third Party Advisory
http://www.triconsole.com/Product
http://www.triconsole.com/php/calendar_datepicker.phpProduct
https://www.exploit-db.com/exploits/49597Exploit, Third Party Advisory

Timeline

Published: Feb 25, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-27330?

How severe is CVE-2021-27330?

CVE-2021-27330 has a CVSS score of 6.1/10 (MEDIUM severity). The EPSS model estimates a 6.20% probability of exploitation in the next 30 days.

How do I fix CVE-2021-27330?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-27330?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST