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Product Feed Manager CVE-2026-118089

| EUVDEUVD-2026-114315 HIGH
Deserialization of Untrusted Data (CWE-502)
2026-10-30 Patchstack GHSA-mgc7-265c-8fhm
7.2
CVSS 3.1 · Vendor: Patchstack
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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata – not a confirmed exploit chain

  1. Access
    Authenticate as shop manager
  2. Delivery
    Submit crafted serialized object to plugin
  3. Exploit
    Trigger PHP object injection on deserialization
  4. Execution
    Invoke gadget chain in application
  5. Impact
    Compromise site confidentiality, integrity and availability

Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A08:2025 - Software or Data Integrity Failures
ASVS 5.0
V1 - Encoding and Sanitization Safe deserialization, type allowlists
MITRE ATT&CK

2 techniques across 2 tactics: Execution, Initial Access

The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up.

Exploitation Conditions

Exploitation requires an authenticated WooCommerce shop manager account on a WordPress site running Product Feed Manager (best-woocommerce-feed) version 7.14.1 or earlier; per the CVSS vector (PR:H) this is a high-privilege, not anonymous, attack. The flaw is PHP Object Injection where plugin code deserializes attacker-supplied input, but the specific feature, endpoint, and trigger are not described in the available sources. The practical ceiling on impact is the need for that privileged role plus the availability of a usable POP gadget chain in the plugin, WordPress core, or another installed component - absent such a chain, object injection alone may not yield code execution. There is no required user interaction (UI:N) and complexity is low (AC:L) once the role is held.

Impact

This is a genuine but conditional risk rather than an internet-wide emergency. The CVSS 3.1 vector (AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H, base 7.2 High) indicates network-reachable, low-complexity exploitation with full confidentiality, integrity and availability impact, but the PR:H metric is decisive: an attacker must already hold a high-privilege WooCommerce role (shop manager) before the PHP Object Injection (CWE-502) can be reached. The vuln.today decision label is 'this_week', which signals meaningful priority but not act_now/emergency urgency. No EPSS probability was supplied, there is no CISA KEV listing, and there is no confirmed public exploit - so exploitation status is 'no public exploit identified at time of analysis'. The signals are internally consistent (a privileged-attacker deserialization bug reported by Patchstack), with no CVSS-vs-description conflict. The main caveat is that real impact depends entirely on whether a usable POP (property-oriented programming) gadget chain is present in the plugin, WordPress core, or co-installed plugins; the advisory does not confirm one, so unauthenticated-equivalent severity should not be assumed. EPSS is absent (not an error) and no active exploitation is claimed, so this reads as a patch-this-cycle item, not a drop-everything one.

Exploit ScenarioDerived

An attacker who has obtained or been granted a WooCommerce shop manager account on a WordPress site running Product Feed Manager (best-woocommerce-feed) <= 7.14.1 submits a crafted serialized PHP object to a plugin feature that deserializes untrusted input. If a suitable gadget chain exists in the application, deserialization triggers it, potentially leading to code execution, data disclosure, or site compromise (C:H/I:H/A:H). No public, verified exploit code is identified at the time of analysis, and the precise trigger is not described in the available sources.

This Week Schedule remediation this week. Why: HIGH severity (CVSS 7.0-8.9).
No patch listed yet 0.4% exploitation probability (EPSS)

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AnalysisAIv1 – Oct 30, 2026

PHP object injection in the WordPress plugin Product Feed Manager (best-woocommerce-feed) 7.14.1 and earlier allows an authenticated WooCommerce shop manager to pass serialized data into plugin code that unserializes it, scored CVSS 7.2 (CWE-502) with high confidentiality, integrity and availability impact. Because the vector is PR:H, only a high-privilege shop manager account can reach the vulnerable path, and the realistic worst case depends on whether a usable POP gadget chain is present in the plugin, WordPress core or another installed component; object injection alone may not yield code execution. No public exploit code is identified in the supplied sources and the issue is not listed as confirmed actively exploited (CISA KEV), so this is a conditional, privilege-gated risk prioritised for remediation this week rather than an internet-wide emergency.

RemediationAI

The supplied intelligence does not state a fixed version, so a patched release should be confirmed against the Patchstack advisory at https://patchstack.com/database/wordpress/plugin/best-woocommerce-feed/vulnerability/wordpress-product-feed-manager-plugin-7-14-1-php-object-injection-vulnerability?_s_id=cve before upgrading the best-woocommerce-feed plugin. No vendor-documented workaround is given in the available data. Because the assessed prerequisite is an authenticated WooCommerce shop manager account, the exposure during the remediation window is bounded by that role: audit existing shop manager users, remove or downgrade accounts that do not need the role, and avoid granting it to untrusted or shared logins, accepting that this reduces but does not remove the attack surface for legitimate shop managers.

Affected VersionsENISA

Product Feed Manager n/a ≤7.14.1

Affected Packages

euvd product_feed_manager no fix

Source: OSV (Open Source Vulnerabilities)

Affects your stack

Affects 1 package in euvd

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

The affected component is the WooCommerce product feed plugin distributed as best-woocommerce-feed (vendor rextheme), matched by CPE cpe:2.3:a:rextheme:product_feed_manager. The root cause class is CWE-502, Deserialization of Untrusted Data: PHP's unserialize() (or an equivalent object-injection sink) is applied to attacker-influenced input, letting the attacker control which classes are instantiated and what their magic methods (__wakeup, __destruct, __toString) do. Impact is realised through PHP object injection gadget chains, so the practical ceiling is set by the classes available in the plugin, WordPress core and other active plugins/themes; the specific feature, AJAX action, REST endpoint or shortcode that reaches the sink is not described in the available sources. Exploitation requires an authenticated WooCommerce shop manager account, consistent with PR:H in the CVSS vector, with low attack complexity and no user interaction once that role is held (AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H).

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Severity by source

Vendor (Patchstack) PRIMARY 7.2 HIGH
AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
vuln.today AI 7.2 HIGH

Network-reachable admin area (AV:N, AC:L, UI:N) but exploitation needs the privileged shop-manager role (PR:H); object injection can yield full C/I/A impact within the same scope (S:U).

3.1 AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
4.0 AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Primary rating from Vendor (Patchstack).

CVSS VectorVendor: Patchstack

Attack Vector
Network
Attack Complexity
Low
Privileges Required
High
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

DescriptionCVE.org

Shop manager PHP Object Injection in Product Feed Manager <= 7.14.1 versions.

Executive ViewAI

Why It Matters

CVE-2026-118089 is a high-severity vulnerability in the Product Feed Manager plugin for WordPress, affecting versions up to 7.14.1. It allows a user with shop manager privileges to inject serialized objects, potentially leading to data theft, manipulation, or site disruption. While no active exploitation is currently observed and the attack requires an authenticated, high-privilege account, leadership should prioritize remediation due to the potential for significant business impact if exploited by a malicious insider or compromised account.

Business Impact: High
Compensating Controls

No vendor-released patch identified at time of analysis. Restrict shop manager privileges to trusted users, enable strong authentication, monitor for anomalous serialized data, and consider disabling the plugin until a fix is available.

Threat Intelligence Overview

EPSS Score
0.4%
Top 67% exploitable
Prevalence
Medium
popular WooCommerce product-feed plugin, common but not on every site
Social Media
1
Sightings
Data Quality
3 sources
Confidence: Low

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue
Severity HIGH
CISA KEV No
Public POC No
EPSS 0.4%
Patch available No
Active threat No
Deciding rule
HIGH severity (CVSS 7.0-8.9)
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision
Scheduled
Exploitation
None
System Exposure· derived
Open
Automatable
No
Human Impact
High
Technical Impact
Total

Priority Score

36
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +36
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Insecure deserialization occurs when an application converts serialized data (a stream of bytes representing an object's state) back into a living object without proper validation.

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