CVE-2024-33299Public exploitNetwork attack vector

Admin-level stored XSS via user names

Published Jan 10, 2025 · Updated Jan 14, 2025

Stored XSS in Microweber 2.0.9 and earlier allows remote authenticated users to execute JavaScript through user name fields. The admin user editor stores unneutralized HTML from the First Name and Last Name parameters, and the users module later renders it as markup. Administrative access is required to plant the payload; JavaScript runs in a browser that loads the users view, enabling access to data and actions available to that browser session.

CVSS severity4.7
Medium
EPSS probability1.11%
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 Microweber 2.0.9 and earlier allows remote authenticated users to execute JavaScript through user name fields. The admin user editor stores unneutralized HTML from the First Name and Last Name parameters, and the users module later renders it as markup. Administrative access is required to plant the payload; JavaScript runs in a browser that loads the users view, enabling access to data and actions available to that browser session.

The record

CVE
CVE-2024-33299
Published
Jan 10, 2025
Updated
Jan 14, 2025
Vendor
Unknown vendor
Product
Unknown product
Classifications
CWE-79, T1059.007
Attack vector
network
Privileges
admin

Timeline

How it unfolded

  1. Jan 10, 2025CVE publishedPublication date reported by the CVE source.
  2. Jan 14, 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

4.7CISA-ADPCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L
5.5GitHub Advisory DatabaseCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:P

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 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesadmin
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
T1059.007JavaScript/JScript

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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