CVE-2025-53277Network attack vector

PHP object injection via cross-site request forgery

Published Jun 27, 2025 · Updated Apr 28, 2026

CSRF in Infigo Software IS-theme-companion 1.59 and earlier allows remote attackers to trigger PHP object injection via crafted requests. Patchstack has not disclosed the affected endpoint, parameter, or unsafe operation that turns the forged request into object injection. Exploitation requires a privileged user to act on attacker-controlled content while authenticated; the public record does not establish code execution or a narrower consequence.

CVSS severity8.8
High
EPSS probability0.16%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

CSRF in Infigo Software IS-theme-companion 1.59 and earlier allows remote attackers to trigger PHP object injection via crafted requests. Patchstack has not disclosed the affected endpoint, parameter, or unsafe operation that turns the forged request into object injection. Exploitation requires a privileged user to act on attacker-controlled content while authenticated; the public record does not establish code execution or a narrower consequence.

The record

CVE
CVE-2025-53277
Published
Jun 27, 2025
Updated
Apr 28, 2026
Vendor
Infigo Software
Product
IS-theme-companion
Classifications
CWE-352, T1190
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Jun 27, 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 <=1.59

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Infigo Software · IS-theme-companionversion=0 <=1.59

Published CVSS scores

8.8PatchstackCVSS:3.1/AV:N/AC:L/PR:N/UI:R/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
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-352Cross-Site Request Forgery (CSRF)
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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