CVE-2024-38503Network attack vector

Cross-site scripting via unvalidated text fields

Published Jul 22, 2024 · Updated Dec 6, 2024

Cross-site scripting in Apache Syncope 2.1 through 2.1.14 and 3.0 through 3.0.7 allows remote authenticated users to inject HTML. Shared Wicket text-field panels in Console and Enduser accepted tag-shaped input without the HTML-rejection validator added by the fix. Exploitation requires permission to edit an object, profile, or request and another user's interaction with the injected content.

CVSS severity5.4
Medium
EPSS probability0.70%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Cross-site scripting in Apache Syncope 2.1 through 2.1.14 and 3.0 through 3.0.7 allows remote authenticated users to inject HTML. Shared Wicket text-field panels in Console and Enduser accepted tag-shaped input without the HTML-rejection validator added by the fix. Exploitation requires permission to edit an object, profile, or request and another user's interaction with the injected content.

The record

CVE
CVE-2024-38503
Published
Jul 22, 2024
Updated
Dec 6, 2024
Vendor
The Apache Software Foundation
Product
Apache Syncope
Classifications
CWE-79
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Jul 22, 2024CVE publishedPublication date reported by the CVE source.
  2. Dec 6, 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=2.1 <=2.1.14
  2. Affected versionversion=3.0 <=3.0.7

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

The Apache Software Foundation · Apache Syncopeversion=2.1 <=2.1.14; version=3.0 <=3.0.7

Published CVSS scores

4.4CISA-ADPCVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/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.

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No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 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')

Public exploit references

No public exploit references are available in this record.

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Technologies

Your stack

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Your stack

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