Skip to main content

CVE-2026-62105: CWE-502 Deserialization of Untrusted Data in ThemeRex ThemeREX Addons

0
Critical
VulnerabilityCVE-2026-62105cvecve-2026-62105cwe-502
Published: 09/11/2026 (09/11/2026, 18:12:03 UTC)
Source: CVE Database V5
Vendor/Project: ThemeRex
Product: ThemeREX Addons

Description

Unauthenticated PHP Object Injection in ThemeREX Addons < 2.45.0 versions.

CVSS v3.1

Score 9.8critical

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected software

ThemeRex

ThemeREX Addons

AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 09/11/2026, 18:47:10 UTC

Technical Analysis

This vulnerability (CVE-2026-62105) in ThemeREX Addons versions before 2.45.0 is caused by unsafe deserialization of untrusted data, leading to unauthenticated PHP Object Injection. The flaw enables an attacker to remotely execute arbitrary code with no required privileges or user interaction. The CVSS v3.1 base score is 9.8, indicating critical severity with network attack vector, low attack complexity, no privileges required, no user interaction, and high impact on confidentiality, integrity, and availability.

Potential Impact

Successful exploitation allows remote attackers to execute arbitrary code on the affected system without authentication, potentially leading to full system compromise, data theft, or service disruption.

Mitigation Recommendations

No explicit patch or remediation details are provided in the input data. Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is available, restrict access to vulnerable installations and monitor for suspicious activity related to ThemeREX Addons.

Pro Console: star threats, build custom feeds, automate alerts via Slack, email & webhooks.Upgrade to Pro

Technical Details

Data Version
5.2
Assigner Short Name
Patchstack
Date Reserved
2026-07-13T06:15:10.221Z
Cvss Version
3.1
State
PUBLISHED

Threat ID: 6aa4493e91cc7f384882a5aa

Added to database: 09/11/2026, 18:32:30 UTC

Last enriched: 09/11/2026, 18:47:10 UTC

Last updated: 09/11/2026, 21:50:27 UTC

Views: 5

Community Reviews

0 reviews

Crowdsource mitigation strategies, share intel context, and vote on the most helpful responses. Sign in to add your voice and help keep defenders ahead.

Sort by
Loading community insights…

Want to contribute mitigation steps or threat intel context? Sign in or create an account to join the community discussion.

Actions

PRO

Updates to AI analysis require Pro Console access. Upgrade inside Console → Billing.

Please log in to the Console to use AI analysis features.

Need more coverage?

Upgrade to Pro Console for AI refresh and higher limits.

For incident response and remediation, OffSeq services can help resolve threats faster.

Latest Threats

Breach by OffSeqOFFSEQFRIENDS — 25% OFF

Check if your credentials are on the dark web

Instant breach scanning across billions of leaked records. Free tier available.

Scan now
OffSeq TrainingCredly Certified

Lead Pen Test Professional

Technical5-day eLearningPECB Accredited
View courses