CVE-2025-24671

CriticalRCE

Published: 27 January 2025

Published

27 January 2025

Modified

23 April 2026

KEV Added

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Patch

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CVSS Score v3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Score 0.0020 42.3th percentile

Risk Priority 20 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2025-24671 is a critical-severity Deserialization of Untrusted Data (CWE-502) vulnerability. Its CVSS base score is 9.8 (Critical).

Operationally, exploitation aligns with the MITRE ATT&CK technique Exploit Public-Facing Application (T1190); ranked at the 42.3th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

The strongest mitigations our analysis identified are NIST 800-53 SI-10 (Information Input Validation) and SI-2 (Flaw Remediation).

Deeper analysis

CVE-2025-24671 is a Deserialization of Untrusted Data vulnerability (CWE-502) in the WordPress plugin "Save as PDF by Pdfcrowd" developed by Pdfcrowd Dev Team. The flaw enables Object Injection and affects all versions of the plugin up to and including 4.4.0. It has been assigned a CVSS v3.1 base score of 9.8 (AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H), indicating critical severity due to its potential for high impact on confidentiality, integrity, and availability.

Remote attackers require no privileges or user interaction to exploit this vulnerability over the network with low complexity. Successful exploitation via untrusted data deserialization can lead to object injection, allowing attackers to achieve high-impact outcomes such as unauthorized data access, modification, or denial of service, as reflected in the CVSS metrics.

The Patchstack advisory at https://patchstack.com/database/Wordpress/Plugin/save-as-pdf-by-pdfcrowd/vulnerability/wordpress-save-as-pdf-plugin-by-pdfcrowd-plugin-4-4-0-php-object-injection-vulnerability?_s_id=cve details the vulnerability in the context of the WordPress plugin, with recommendations for mitigation typically including updating to a patched version beyond 4.4.0.

EU & UK References

🇪🇺 ENISA EUVD: EUVD-2025-3865

Vulnerability details

Deserialization of Untrusted Data vulnerability in Pdfcrowd Dev Team Save as PDF save-as-pdf-by-pdfcrowd allows Object Injection.This issue affects Save as PDF: from n/a through <= 4.4.0.

CWE(s): CWE-502

Related Threats

MITRE ATT&CK Enterprise TechniquesAI

T1190 Exploit Public-Facing Application Initial Access

Adversaries may attempt to exploit a weakness in an Internet-facing host or system to initially access a network.

attack.mitre.org →

Why these techniques?

Remote unauthenticated deserialization/object injection vulnerability in a public-facing WordPress plugin directly enables exploitation of the web application without credentials or user interaction.

Confidence: HIGH · MITRE ATT&CK Enterprise v19.0