← Vulnerability feed

Vulnerability record · CVE-2021-43687 · published 1 December 2021

CVE-2021-43687: Chamilo cross-site scripting vulnerability

Chamilo · Chamilo

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.

6.1 CVSS 3.1 Medium EPSS 1.2% · top 33.1% CWE-79 · Cross-site scripting
6.1CVSS 3.1 base score, v2 4.3
1.2%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
6References, 2 tagged exploit
9 Jul 2026Last modified by NVD

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.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/chamilo/chamilo-lms/blob/v1.11.14/plugin/jcapture/applet.php ExploitThird Party Advisory
https://github.com/chamilo/chamilo-lms/tree/v1.11.14 Third Party Advisory
https://support.chamilo.org/projects/chamilo-18/wiki/Security_issues#Issue-92-2021-11-12-Low-impact-Low-risk-XSS-Vulnera PatchVendor Advisory
https://github.com/chamilo/chamilo-lms/blob/v1.11.14/plugin/jcapture/applet.php ExploitThird Party Advisory
https://github.com/chamilo/chamilo-lms/tree/v1.11.14 Third Party Advisory
https://support.chamilo.org/projects/chamilo-18/wiki/Security_issues#Issue-92-2021-11-12-Low-impact-Low-risk-XSS-Vulnera PatchVendor Advisory

Track CVE-2021-43687 inside VULONE

Watch it alongside the ransomware crews, C2 infrastructure and forum chatter that reference it, query it through the API and pull it into your SIEM over TAXII.

Start free Open in platform

Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2023-3533Chamilo path traversal vulnerabilityPath traversal in file upload functionality in `/main/webservices/additional_webservices.php` in Chamilo LMS <= v1.11.20 allows unauthenticated attac…EPSS 3.5%9.8CVE-2023-3545Chamilo vulnerabilityImproper sanitisation in `main/inc/lib/fileUpload.lib.php` in Chamilo LMS <= v1.11.20 on Windows and Apache installations allows unauthenticated atta…EPSS 2.4%9.8CVE-2023-3368Chamilo LMS unauthenticated command injection in additional_webservices.phpChamilo LMS through v1.11.20 fails to neutralise special characters in /main/webservices/additional_webservices.php, allowing OS command injection. T…EPSS 70%analysed9.8CVE-2023-34960Chamilo wsConvertPpt SOAP command injectionChamilo versions 1.11.* up to 1.11.18 contain a command injection flaw in the wsConvertPpt component. A crafted PowerPoint name sent through a SOAP A…EPSS 99%analysed9.8CVE-2021-34187Chamilo sql injection vulnerabilitymain/inc/ajax/model.ajax.php in Chamilo through 1.11.14 allows SQL Injection via the searchField, filters, or filters2 parameter.EPSS 16%8.8CVE-2022-42029Chamilo unrestricted file upload vulnerabilityChamilo 1.11.16 is affected by an authenticated local file inclusion vulnerability which allows authenticated users with access to 'big file uploads'…EPSS 0.76%8.8CVE-2022-40407Chamilo unrestricted file upload vulnerabilityA zip slip vulnerability in the file upload function of Chamilo v1.11 allows attackers to execute arbitrary code via a crafted Zip file.EPSS 1.6%8.8CVE-2021-40662Chamilo cross-site request forgery vulnerabilityA Cross-Site Request Forgery (CSRF) in Chamilo LMS 1.11.14 allows attackers to execute arbitrary commands on victim hosts via user interaction with a…EPSS 1.1%

Source: NIST National Vulnerability Database (record CVE-2021-43687), CISA KEV, FIRST EPSS (scores of 2026-09-28). This page is refreshed as NVD updates the record.