CVE-2024-55529Public exploitNetwork attack vector

Arbitrary code execution via unchecked theme upload

Published Jan 6, 2025 · Updated Jan 6, 2025

Code injection in Z-BlogPHP 1.7.3 and earlier allows remote authenticated users to execute arbitrary code through a crafted ZBA theme archive. The administrative theme uploader accepts embedded PHP without code inspection and generates files beneath the theme template directory. Administrative access is required; the resulting PHP web shell runs with the web server's privileges and can compromise the host.

CVSS severity9.8
Critical
EPSS probability0.60%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Code injection in Z-BlogPHP 1.7.3 and earlier allows remote authenticated users to execute arbitrary code through a crafted ZBA theme archive. The administrative theme uploader accepts embedded PHP without code inspection and generates files beneath the theme template directory. Administrative access is required; the resulting PHP web shell runs with the web server's privileges and can compromise the host.

The record

CVE
CVE-2024-55529
Published
Jan 6, 2025
Updated
Jan 6, 2025
Vendor
Unknown vendor
Product
Unknown product
Classifications
CWE-94, T1505.003
Attack vector
network
Privileges
admin

Timeline

How it unfolded

  1. Jan 6, 2025CVE publishedPublication date reported by the CVE source.
  2. Jan 6, 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

9.8CISA-ADPCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/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.

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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
Privilegesadmin
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-94Improper Control of Generation of Code ('Code Injection')
T1505.003Server Software Component: Web Shell

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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