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CVE-2010-1618

CVE-2010-1618 is a Cross-site Scripting (XSS) vulnerability in ja-sig phpcas client library. O3 Security detects and blocks CVE-2010-1618 exploitation at runtime via eBPF exploit-chain detection and L7 egress monitoring, even on unpatched systems.

Cross-site scripting (XSS) vulnerability in the phpCAS client library before 1.1.0, as used in Moodle 1.8.x before 1.8.12 and 1.9.x before 1.9.8, allows remote attackers to inject arbitrary…

Published
Apr 29, 2010
Updated
Jun 16, 2026
Affected
0 pkgs
Patched
None yet
Exploits
None indexed

Description

Cross-site scripting (XSS) vulnerability in the phpCAS client library before 1.1.0, as used in Moodle 1.8.x before 1.8.12 and 1.9.x before 1.9.8, allows remote attackers to inject arbitrary web script or HTML via a crafted URL, which is not properly handled in an error message.

Affected Products

2 products · 22 configurations
Application
phpcas client libraryja-sig
2 versions
1.0.01.0.1
Application
moodlemoodle
18 versions
1.8.11.8.21.8.31.8.41.8.51.8.61.8.71.8.81.8.91.8.101.8.111.9.1

Detection & mitigation playbook

Vendor / appliance
  1. Detect

    Inventory every ja-sig phpcas client library 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. Remediation status

    No patch has shipped for CVE-2010-1618 yet — track the ja-sig phpcas client library advisory for a fixed release and apply the workarounds below in the meantime.

  3. Mitigate without a patch

    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-2010-1618 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-2010-1618. Runtime protection reduces exposure until a permanent patch is applied and verified — it complements patching, it doesn't replace it.

Frequently Asked Questions

Cross-site scripting (XSS) vulnerability in the phpCAS client library before 1.1.0, as used in Moodle 1.8.x before 1.8.12 and 1.9.x before 1.9.8, allows remote attackers to inject arbitrary web script or HTML via a crafted URL, which is not properly handled in an error message.
O3 Security · Runtime Protection

Is CVE-2010-1618 being exploited in your environment?

O3's eBPF runtime sensors and L7 egress monitoring detect and block the CVE-2010-1618 exploit chain at execution — protecting unpatched and end-of-life systems until the vendor patch is applied.