CVE-2020-23762

Name: CVE-2020-23762
Creator: NVD / NIST
Published: 2021-04-09T18:15:13.24+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.4/10EPSS 0.80%

Last modified Jun 17, 2026

CVE-2020-23762 is a medium-severity vulnerability rated 5.4/10 on the CVSS scale. Cross Site Scripting (XSS) vulnerability in the Larsens Calender plugin Version <= 1.2 for WordPress allows remote attackers to execute arbitrary web script via the "titel" column on the "Eintrage hinzufugen" tab.. EPSS estimates a 0.80% chance of exploitation in the next 30 days.

Description

Cross Site Scripting (XSS) vulnerability in the Larsens Calender plugin Version <= 1.2 for WordPress allows remote attackers to execute arbitrary web script via the "titel" column on the "Eintrage hinzufugen" tab.

Metrics

CVSS 3.1

5.4/10

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

EPSS Probability

0.80%

51.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Larsens Calendar Project	Larsens Calendar	<= 1.2

References

http://hidden-one.co.in/2021/04/09/cve-2020-23762-stored-xss-vulnerability-in-the-larsens-calender-plugin-version/Exploit, Third Party Advisory
https://wordpress.org/plugins/larsens-calender/Product
http://hidden-one.co.in/2021/04/09/cve-2020-23762-stored-xss-vulnerability-in-the-larsens-calender-plugin-version/Exploit, Third Party Advisory
https://wordpress.org/plugins/larsens-calender/Product

Timeline

Published: Apr 9, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-23762?

How severe is CVE-2020-23762?

CVE-2020-23762 has a CVSS score of 5.4/10 (MEDIUM severity). The EPSS model estimates a 0.80% probability of exploitation in the next 30 days.

How do I fix CVE-2020-23762?

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-2020-23762?

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

Scan your code now

Source: NVD / NIST