CVE-2021-43687

Name: CVE-2021-43687
Creator: NVD / NIST
Published: 2021-12-01T16:15:07.777+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.1/10EPSS 1.38%

Last modified Jun 17, 2026

CVE-2021-43687 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. chamilo-lms v1.11.14 is affected by a Cross Site Scripting (XSS) vulnerability in /plugin/jcapture/applet.php if an attacker passes a message hex2bin in the cookie.. EPSS estimates a 1.38% chance of exploitation in the next 30 days.

Description

chamilo-lms v1.11.14 is affected by a Cross Site Scripting (XSS) vulnerability in /plugin/jcapture/applet.php if an attacker passes a message hex2bin in the cookie.

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

1.38%

68.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Chamilo	Chamilo	1.11.14

References

http://chamilo-lms.comProduct
https://github.com/chamilo/chamilo-lms/blob/v1.11.14/plugin/jcapture/applet.phpExploit, Third Party Advisory
https://github.com/chamilo/chamilo-lms/tree/v1.11.14Third Party Advisory
https://support.chamilo.org/projects/chamilo-18/wiki/Security_issues#Issue-92-2021-11-12-Low-impact-Low-risk-XSS-Vulnerability-in-jCapture-plugin-CVE-2021-43687Patch, Vendor Advisory
http://chamilo-lms.comProduct
https://github.com/chamilo/chamilo-lms/blob/v1.11.14/plugin/jcapture/applet.phpExploit, Third Party Advisory
https://github.com/chamilo/chamilo-lms/tree/v1.11.14Third Party Advisory
https://support.chamilo.org/projects/chamilo-18/wiki/Security_issues#Issue-92-2021-11-12-Low-impact-Low-risk-XSS-Vulnerability-in-jCapture-plugin-CVE-2021-43687Patch, Vendor Advisory

Timeline

Published: Dec 1, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-43687?

chamilo-lms v1.11.14 is affected by a Cross Site Scripting (XSS) vulnerability in /plugin/jcapture/applet.php if an attacker passes a message hex2bin in the cookie.

How severe is CVE-2021-43687?

CVE-2021-43687 has a CVSS score of 6.1/10 (MEDIUM severity). The EPSS model estimates a 1.38% probability of exploitation in the next 30 days.

How do I fix CVE-2021-43687?

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-2021-43687?

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

Scan your code now

Source: NVD / NIST