CVE-2024-39923Network attack vector

Stored XSS via unsanitized footer URLs

Published Aug 25, 2025 · Updated Aug 25, 2025

Stored XSS in Mahara 24.04 before 24.04.2 and 23.04 before 23.04.7 allows remote authenticated users to execute JavaScript. The Menus administration interface stores About, Contact, and Help footer URL values without sanitizing JavaScript content before rendering clickable links. Administrator access is required to plant a malicious URL, and JavaScript executes only when a logged-in person clicks the configured footer link.

CVSS severity6.1
Medium
EPSS probability0.25%
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 Mahara 24.04 before 24.04.2 and 23.04 before 23.04.7 allows remote authenticated users to execute JavaScript. The Menus administration interface stores About, Contact, and Help footer URL values without sanitizing JavaScript content before rendering clickable links. Administrator access is required to plant a malicious URL, and JavaScript executes only when a logged-in person clicks the configured footer link.

The record

CVE
CVE-2024-39923
Published
Aug 25, 2025
Updated
Aug 25, 2025
Vendor
Unknown vendor
Product
Unknown product
Classifications
CWE-79, T1189
Attack vector
network
Privileges
admin

Timeline

How it unfolded

  1. Aug 25, 2025CVE publishedPublication date reported by the CVE source.
  2. Aug 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?

Affected buildAffected product and version details are unavailable.

What conditions does exploitation require?

Attack vectornetwork
Required privilegesadmin

What is affected?

Affected products and versions are unavailable in this record.

Published CVSS scores

6.1CISA-ADPCVSS:3.1/AV:N/AC:L/PR:N/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
Privilegesadmin
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
T1189Drive-by Compromise

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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