Cyber Resilience

CVE-2026-22505

HighRCE

Published: 25 March 2026

Published
25 March 2026
Modified
24 April 2026
KEV Added
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Patch
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CVSS Score v3.1 8.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS Score 0.0040 31.2th percentile
Risk Priority 55 floored blend · peak EPSS

Summary

CVE-2026-22505 is a high-severity Deserialization of Untrusted Data (CWE-502) vulnerability. Its CVSS base score is 8.1 (High).

Operationally, exploitation aligns with the MITRE ATT&CK technique Exploit Public-Facing Application (T1190); ranked at the 31.2th 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 RA-5 (Vulnerability Monitoring and Scanning) and SI-10 (Information Input Validation).

Deeper analysis

CVE-2026-22505 is a Deserialization of Untrusted Data vulnerability (CWE-502) in the Morning Records WordPress theme (morning-records) developed by AncoraThemes. The flaw allows Object Injection and affects the theme from unknown initial versions through 1.2 inclusive. Published on 2026-03-25, it carries a CVSS v3.1 base score of 8.1 (AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H), indicating high severity due to potential for significant impacts across confidentiality, integrity, and availability.

Unauthenticated remote attackers can exploit this vulnerability over the network without requiring user interaction, though exploitation involves high attack complexity. Successful attacks enable Object Injection through untrusted deserialization, potentially compromising the affected WordPress site with high-level disruptions to data confidentiality, system integrity, and availability.

The Patchstack advisory provides further details on this WordPress theme vulnerability, including potential mitigation guidance, accessible at https://patchstack.com/database/Wordpress/Theme/morning-records/vulnerability/wordpress-morning-records-theme-1-2-php-object-injection-vulnerability?_s_id=cve.

OWASP Top 10 for Web (2025)

A08:2025 Software or Data Integrity Failures

EU & UK References

Vulnerability details

Deserialization of Untrusted Data vulnerability in AncoraThemes Morning Records morning-records allows Object Injection.This issue affects Morning Records: from n/a through <= 1.2.

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?

Direct mapping to exploitation of a public-facing web application (WordPress theme) via unauthenticated remote deserialization/object injection.

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

CVEs Like This One

CVE-2025-62368Shared CWE-502
CVE-2025-68903Shared CWE-502
CVE-2025-67911Shared CWE-502
CVE-2025-54014Shared CWE-502
CVE-2025-53078Shared CWE-502
CVE-2026-43633Shared CWE-502
CVE-2025-60039Shared CWE-502
CVE-2026-25429Shared CWE-502
CVE-2025-7697Shared CWE-502
CVE-2026-22248Shared CWE-502

Affected Assets

Mitigating Controls

Mitigating Controls (NIST 800-53 r5) AI

SI-2 Flaw Remediation good match
prevent

Requires identification, reporting, and correction of flaws like the deserialization vulnerability in the Morning Records WordPress theme, preventing exploitation through patching.

SI-10 Information Input Validation good match
prevent

Mandates validation of untrusted inputs at entry points, directly blocking malicious serialized data from causing object injection.

RA-5 Vulnerability Monitoring and Scanning good match
detect

Enables regular vulnerability scanning to identify the deserialization flaw in the WordPress theme, triggering remediation before exploitation.

References