[NEW] [high] Contao: Multiple Vulnerabilities
An attacker can exploit multiple vulnerabilities in Contao to bypass security measures, escalate privileges and potentially gain administrator rights, perform cross-site scripting attacks, disclose sensitive information, and manipulate data.
CSIRTS triage
- What
- Multiple vulnerabilities in Contao allow attackers to bypass security measures, escalate privileges to administrator, execute cross-site scripting, disclose sensitive information, and manipulate data.
- Who is affected
- All Contao CMS deployments are affected; privilege escalation to administrator is possible.
- Urgency
- High; privilege escalation to administrator combined with XSS and data manipulation requires urgent patching.
- Action
- Apply Contao security patches immediately to all instances.
AI-assisted analysis generated from the source advisory — verify against the original.
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Details
Original advisory: https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-2999
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