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CVE-2022-34183

MEDIUM

CVE-2022-34183 is a medium-severity (CVSS 5.4) Cross-site Scripting (XSS) vulnerability in jenkins agent server parameter. O3 Security detects and blocks CVE-2022-34183 exploitation at runtime via eBPF exploit-chain detection and L7 egress monitoring, even on unpatched systems.

Jenkins Agent Server Parameter Plugin 1.1 and earlier does not escape the name and description of Agent Server parameters on views displaying parameters, resulting in a stored cross-site…

Published
Jun 23, 2022
Updated
Jun 17, 2026
Affected
0 pkgs
Patched
None yet
Exploits
None indexed

Description

Jenkins Agent Server Parameter Plugin 1.1 and earlier does not escape the name and description of Agent Server parameters on views displaying parameters, resulting in a stored cross-site scripting (XSS) vulnerability exploitable by attackers with Item/Configure permission.

Affected Products

1 product · 1 configurations
Application
agent server parameterjenkins
≤ 1.1
range

Detection & mitigation playbook

Vendor / appliance
  1. Detect

    Inventory every jenkins agent server parameter 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-2022-34183 yet — track the jenkins agent server parameter 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-2022-34183 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-2022-34183. Runtime protection reduces exposure until a permanent patch is applied and verified — it complements patching, it doesn't replace it.

Frequently Asked Questions

Jenkins Agent Server Parameter Plugin 1.1 and earlier does not escape the name and description of Agent Server parameters on views displaying parameters, resulting in a stored cross-site scripting (XSS) vulnerability exploitable by attackers with Item/Configure permission.
O3 Security · Runtime Protection

Is CVE-2022-34183 being exploited in your environment?

O3's eBPF runtime sensors and L7 egress monitoring detect and block the CVE-2022-34183 exploit chain at execution — protecting unpatched and end-of-life systems until the vendor patch is applied.