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Not in CISA KEV
MEDIUM severity

CVE-2010-3660

MEDIUM

CVE-2010-3660 is a medium-severity (CVSS 5.4) Cross-site Scripting (XSS) vulnerability in typo3 typo3. O3 Security detects and blocks CVE-2010-3660 exploitation at runtime via eBPF exploit-chain detection and L7 egress monitoring, even on unpatched systems.

TYPO3 before 4.1.14, 4.2.x before 4.2.13, 4.3.x before 4.3.4 and 4.4.x before 4.4.1 allows XSS on the backend.

Published
Nov 1, 2019
Updated
Jun 16, 2026
Affected
1 product
Patched
See advisory
Exploits
None indexed
Exploitation data as of Jun 16, 2026 · OSV.dev, NVD, FIRST.org (EPSS)

Description

TYPO3 before 4.1.14, 4.2.x before 4.2.13, 4.3.x before 4.3.4 and 4.4.x before 4.4.1 allows XSS on the backend.

Affected Products

1 product · 4 configurations
Application
typo3typo3
≥ 4.4.0 && < 4.4.1
range

Detection & mitigation playbook

Vendor / appliance
  1. Detect

    Inventory every typo3 typo3 deployment and check each version against the affected-products list above. Because the exploit targets the running system rather than your application code, also watch for exploitation at the network and runtime layer — O3 flags the exploit behaviour from runtime telemetry and egress traffic even before a vulnerable build is confirmed.

  2. Fix

    Apply the typo3 typo3 security patch or hotfix for CVE-2010-3660 on the affected version, following the vendor advisory for your exact build.

  3. Workarounds

    Cut exposure now: restrict the management/admin interface to trusted networks, segment the device, and apply the vendor's recommended configuration mitigations and any WAF/IPS signature. O3's runtime protection blocks the exploit chain at execution, holding the line on unpatched or end-of-life systems until you can patch.

  4. How O3 protects you

    O3 detects and blocks CVE-2010-3660 exploitation at runtime: eBPF exploit-chain detection, plus L7 egress monitoring that catches the post-exploitation callback and severs the attacker's outbound channel.

Tailored to CVE-2010-3660. Runtime protection reduces exposure until a permanent patch is applied and verified — it complements patching, it doesn't replace it.

Frequently Asked Questions

TYPO3 before 4.1.14, 4.2.x before 4.2.13, 4.3.x before 4.3.4 and 4.4.x before 4.4.1 allows XSS on the backend.
O3 Security · Runtime Protection

Is CVE-2010-3660 being exploited in your environment?

O3's eBPF runtime sensors and L7 egress monitoring detect and block the CVE-2010-3660 exploit chain at execution — protecting unpatched and end-of-life systems until the vendor patch is applied.