CVE-2023-28678Network attack vector

Stored XSS via unescaped report filenames

Published Mar 23, 2023 · Updated Feb 25, 2025

Stored XSS in Jenkins Project Cppcheck Plugin 1.26 and earlier allows attackers to execute script via crafted Cppcheck reports. The plugin inserts filenames parsed from report files into Jenkins UI output without escaping them for the surrounding HTML context. Exploitation requires control of report contents and a user to view the results, exposing data and actions available to that browser session.

CVSS severity5.4
Medium
EPSS probability0.46%
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 Project Cppcheck Plugin 1.26 and earlier allows attackers to execute script via crafted Cppcheck reports. The plugin inserts filenames parsed from report files into Jenkins UI output without escaping them for the surrounding HTML context. Exploitation requires control of report contents and a user to view the results, exposing data and actions available to that browser session.

The record

CVE
CVE-2023-28678
Published
Mar 23, 2023
Updated
Feb 25, 2025
Vendor
Jenkins Project
Product
Cppcheck Plugin
Classifications
CWE-79, T1203
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Mar 23, 2023CVE publishedPublication date reported by the CVE source.
  2. Feb 25, 2025Record 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=0 <=1.26

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Jenkins Project · Cppcheck Pluginversion=0 <=1.26

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
5.4CISA-ADPCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
5.4NIST NVDCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

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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