CVE-2025-39565Network attack vector

Administrator-level PHP object injection

Published Apr 16, 2025 · Updated Apr 28, 2026

PHP object injection in MelaPress Login Security 2.1.0 and earlier allows remote authenticated users to instantiate attacker-controlled objects. Public records do not identify the affected function, serialized input, or unsafe deserialization operation. Administrator access and a suitable property-oriented programming chain are required; exploitation can execute code, read or alter data, or interrupt the WordPress site.

CVSS severity6.6
Medium
EPSS probability0.90%
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 MelaPress Login Security 2.1.0 and earlier allows remote authenticated users to instantiate attacker-controlled objects. Public records do not identify the affected function, serialized input, or unsafe deserialization operation. Administrator access and a suitable property-oriented programming chain are required; exploitation can execute code, read or alter data, or interrupt the WordPress site.

The record

CVE
CVE-2025-39565
Published
Apr 16, 2025
Updated
Apr 28, 2026
Vendor
Melapress
Product
MelaPress Login Security
Classifications
CWE-502, CAPEC-586, T1190
Attack vector
network
Privileges
admin

Timeline

How it unfolded

  1. Apr 16, 2025CVE 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=0 <=2.1.0 changes=[{"at":"2.1.1","status":"unaffected"}]

What conditions does exploitation require?

Attack vectornetwork
Required privilegesadmin

What is affected?

Melapress · MelaPress Login Securityversion=0 <=2.1.0 changes=[{"at":"2.1.1","status":"unaffected"}]

Published CVSS scores

6.6PatchstackCVSS:3.1/AV:N/AC:H/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
Privilegesadmin
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-502Deserialization of Untrusted Data
CAPEC-586Object Injection
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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