CVE-2024-51507Public exploitNetwork attack vector

Stored XSS via unsanitized external-wiki name

Published Oct 28, 2024 · Updated Oct 29, 2024

Stored XSS in External Wikis in Tiki Wiki CMS Groupware 27.0 and earlier allows remote authenticated users to execute script in a viewer's browser. The external-wiki administration flow stores a crafted Name containing a JavaScript link and later renders it as an actionable link without neutralizing the scheme. Exploitation requires elevated External Wikis permissions and a viewer click; resulting script can read or alter data exposed to that viewer, without service interruption.

CVSS severity4.8
Medium
EPSS probability0.24%
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 External Wikis in Tiki Wiki CMS Groupware 27.0 and earlier allows remote authenticated users to execute script in a viewer's browser. The external-wiki administration flow stores a crafted Name containing a JavaScript link and later renders it as an actionable link without neutralizing the scheme. Exploitation requires elevated External Wikis permissions and a viewer click; resulting script can read or alter data exposed to that viewer, without service interruption.

The record

CVE
CVE-2024-51507
Published
Oct 28, 2024
Updated
Oct 29, 2024
Vendor
Tiki Software Community Association
Product
Tiki Wiki CMS Groupware
Classifications
CWE-79, T1203
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Oct 28, 2024CVE publishedPublication date reported by the CVE source.
  2. Oct 29, 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=0 <=27.0

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Tiki Software Community Association · Tiki Wiki CMS Groupwareversion=0 <=27.0

Published CVSS scores

4.8CISA-ADPCVSS:3.1/AV:N/AC:L/PR:H/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 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-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
T1203Exploitation for Client Execution

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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