CVE-2024-43400Public exploitNetwork attack vector

Cross-site scripting via unescaped XClass name

Published Aug 19, 2024 · Updated Aug 22, 2024

Cross-site scripting in affected XWiki Platform releases allows remote authenticated users to execute JavaScript through a crafted URL. StringClass.displayEdit concatenates unescaped XClass and field names into an ajaxSuggest onFocus handler. A user without Script or Programming rights must create the class and induce another user to open the URL, causing script execution in that visitor's browser.

CVSS severity9.0
Critical
EPSS probability0.49%
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 affected XWiki Platform releases allows remote authenticated users to execute JavaScript through a crafted URL. StringClass.displayEdit concatenates unescaped XClass and field names into an ajaxSuggest onFocus handler. A user without Script or Programming rights must create the class and induce another user to open the URL, causing script execution in that visitor's browser.

The record

CVE
CVE-2024-43400
Published
Aug 19, 2024
Updated
Aug 22, 2024
Vendor
CryptPad
Product
XWiki Platform
Classifications
CWE-96, T1204.001
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Aug 19, 2024CVE publishedPublication date reported by the CVE source.
  2. Aug 22, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

Compare your product and version with the public record. A matching version still requires validation against your environment.

Is a vulnerable build present?

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

  1. Affected versionversion=0 <14.10.21
  2. Affected versionversion=< 14.10.21
  3. Affected versionversion=>= 15.0-rc-1, < 15.5.5
  4. Affected versionversion=15.0-rc-1 <15.5.5
  5. Affected versionversion=>= 15.6-rc-1, < 15.10.2
  6. Affected versionversion=15.6-rc-1 <15.10.2
  7. Affected versionversion== 16.0.0-rc-1
  8. Affected versionversion=16.0.0-rc-1

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

CryptPad · XWiki Platformversion=0 <14.10.21; version=< 14.10.21; version=>= 15.0-rc-1, < 15.5.5; version=15.0-rc-1 <15.5.5; version=>= 15.6-rc-1, < 15.10.2; version=15.6-rc-1 <15.10.2; version== 16.0.0-rc-1; version=16.0.0-rc-1

Published CVSS scores

9.0GitHubCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/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 exploitPublished

Weakness, pattern, technique

CWE-96Improper Neutralization of Directives in Statically Saved Code ('Static Code Injection')
T1204.001Malicious Link

Public exploit references

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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