Plattform
joomla
Behoben in
4.0.1
6.0.1
CVE-2026-21632 describes a cross-site scripting (XSS) vulnerability affecting Strapi CMS versions up to 6.0.3. This flaw arises from insufficient output escaping when handling article titles, allowing attackers to inject malicious scripts. Successful exploitation could lead to session hijacking, defacement, or other client-side attacks. A fix is expected in a future Strapi release.
The XSS vulnerability in Strapi CMS allows attackers to inject arbitrary JavaScript code into web pages viewed by other users. An attacker could craft a malicious article title containing JavaScript payloads. When a user views the affected article, the injected script executes within their browser context. This could lead to various attacks, including stealing session cookies, redirecting users to phishing sites, or modifying the content of the page. The blast radius extends to all users who view the compromised article, potentially impacting a significant portion of the CMS's user base. The impact is particularly severe if the CMS is used for sensitive data or critical business processes.
CVE-2026-21632 was published on 2026-04-01. The vulnerability's severity is pending evaluation. No public proof-of-concept (POC) code has been publicly released at the time of writing. There are no indications of active exploitation campaigns targeting this vulnerability. Monitor security advisories from Strapi and relevant security communities for updates.
Exploit-Status
EPSS
0.02% (5% Perzentil)
CISA SSVC
Due to the lack of a specific fixed version, immediate mitigation focuses on preventing the injection of malicious article titles. Implement strict input validation and sanitization on all user-supplied data, particularly article titles. Consider using a Web Application Firewall (WAF) with XSS protection rules to filter out potentially malicious input. Regularly review and update Strapi CMS configurations to ensure best practices are followed. Monitor application logs for suspicious activity related to article title modifications. After a patched version becomes available, upgrade Strapi CMS to the latest stable release to eliminate the vulnerability.
Actualice Joomla! a la última versión disponible. Esto solucionará las vulnerabilidades XSS en los títulos de los artículos.
Schwachstellenanalysen und kritische Warnungen direkt in deinen Posteingang.
It’s an XSS vulnerability in Joomla caused by missing output escaping for article titles.
If you are using Joomla versions 6.0.0 through 6.0.3, you are potentially vulnerable.
No official patch is currently available. Implement proper output encoding as a temporary mitigation.
Lade deine Abhängigkeitsdatei hoch und erfahre sofort, ob dich diese und andere CVEs treffen.
Lade deine Abhängigkeitsdatei hoch und erfahre sofort, ob dich diese und andere CVEs treffen.