CVE-2022-34791Network attack vector

Stored XSS via unescaped parameter metadata

Published Jun 30, 2022 · Updated Aug 3, 2024

Stored XSS in Jenkins Validating Email Parameter Plugin 1.10 and earlier allows remote authenticated users to run scripts in viewers' browsers. The plugin renders the parameter type's name and description without escaping and disables Jenkins hardening for the Build With Parameters and Parameters pages. Item/Configure permission is required to store a payload, and script execution occurs when another user views an affected page.

CVSS severity8.0
High
EPSS probability0.64%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Stored XSS in Jenkins Validating Email Parameter Plugin 1.10 and earlier allows remote authenticated users to run scripts in viewers' browsers. The plugin renders the parameter type's name and description without escaping and disables Jenkins hardening for the Build With Parameters and Parameters pages. Item/Configure permission is required to store a payload, and script execution occurs when another user views an affected page.

The record

CVE
CVE-2022-34791
Published
Jun 30, 2022
Updated
Aug 3, 2024
Vendor
Jenkins Project
Product
Jenkins Validating Email Parameter Plugin
Classifications
CWE-79, T1203
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Jun 30, 2022CVE publishedPublication date reported by the CVE source.
  2. Aug 3, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=unspecified <=1.10

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Jenkins Project · Jenkins Validating Email Parameter Pluginversion=unspecified <=1.10

Published CVSS scores

8.0GitHub Advisory DatabaseCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
T1203Exploitation for Client Execution

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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