CVE-2023-52206Network attack vector

Authenticated object injection via unsafe deserialization

Published Jan 8, 2024 · Updated Apr 28, 2026

PHP object injection in Page Builder: Live Composer 1.5.25 and earlier allows remote authenticated users to inject serialized PHP objects. Published advisories do not identify the function or request parameter that passes untrusted input to PHP deserialization. Author-level access is required, and published sources identify no built-in gadget chain or concrete post-injection effect.

CVSS severity7.7
High
EPSS probability0.50%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

PHP object injection in Page Builder: Live Composer 1.5.25 and earlier allows remote authenticated users to inject serialized PHP objects. Published advisories do not identify the function or request parameter that passes untrusted input to PHP deserialization. Author-level access is required, and published sources identify no built-in gadget chain or concrete post-injection effect.

The record

CVE
CVE-2023-52206
Published
Jan 8, 2024
Updated
Apr 28, 2026
Vendor
Live Composer Team
Product
Page Builder: Live Composer
Classifications
CWE-502, T1190
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Jan 8, 2024CVE publishedPublication date reported by the CVE source.
  2. Apr 28, 2026Record 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=n/a <=1.5.25

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Live Composer Team · Page Builder: Live Composerversion=n/a <=1.5.25

Published CVSS scores

7.7PatchstackCVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:N
7.2NVDCVSS:3.1/AV:N/AC:L/PR:H/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.

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 exploitUnconfirmed

Weakness, pattern, technique

CWE-502Deserialization of Untrusted Data
T1190Exploit Public-Facing Application

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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