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WPJAM Basic CVE-2026-57372

| EUVDEUVD-2026-43448 HIGH
Server-Side Request Forgery (SSRF) (CWE-918)
2026-07-13 Patchstack
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
    Identify site running WPJAM Basic ≤7.0
  2. Delivery
    Send request with attacker-controlled URL
  3. Exploit
    Plugin fetches internal target server-side
  4. Execution
    Read back internal response
  5. Impact
    Pivot/enumerate internal services

Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A01:2025 - Broken Access Control
ASVS 5.0
V4 - API and Web Service URL allowlisting, SSRF prevention
MITRE ATT&CK

2 techniques across 2 tactics: Initial Access, Credential 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 a network-reachable WordPress site running WPJAM Basic version 7.0 or earlier with the SSRF-affected feature active; the attacker submits an attacker-controlled destination (URL/host) to the plugin, which the server then fetches. The CVSS vector (AV:N/AC:L/PR:N/UI:N) indicates no user interaction and no privileges required, implying default configurations are reachable - however, the description does not name the exact vulnerable feature or endpoint, and PR:N (unauthenticated) is not corroborated by the description, so authentication may in practice be required. Limiting factors: only Low confidentiality/integrity impact (partial data disclosure/limited request forgery, no availability loss), effectiveness depends on the server's ability to reach useful internal targets, and outbound egress filtering or a WAF materially reduces exploitability.

Impact

The supplied CVSS 3.1 vector (AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N) yields 7.2 (High), driven mainly by the Changed scope and the network-reachable, low-complexity, no-privilege exploitability rather than by heavy impact, which is only Low/Low on confidentiality and integrity with no availability effect. No EPSS score, KEV entry, or POC was provided, so there is no evidence of active or widespread exploitation - the score reflects potential, not observed, abuse. One caveat: the vector claims PR:N (unauthenticated), yet many WordPress management-plugin SSRFs are reachable only via authenticated endpoints, and the terse description does not confirm the exact entry point - verify the trigger path with Patchstack/vendor before treating this as fully pre-auth. Net assessment: a legitimate High-priority patching item for sites running WPJAM Basic, but likely targeted/opportunistic rather than mass-exploited given the limited impact and absence of an exploit signal.

Exploit ScenarioDerived

An attacker sends a crafted request to the vulnerable WPJAM Basic endpoint supplying an internal URL (for example the cloud metadata service or an internal admin panel), causing the WordPress server to fetch it and return limited content back to the attacker. With low attack complexity and network reachability, this can be used to map internal services or retrieve information from resources not exposed to the internet. No public POC was included in the source data.

This Week Schedule remediation this week. Why: HIGH severity (CVSS 7.0-8.9).
No patch listed yet 0.3% exploitation probability (EPSS)

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AnalysisAIv1 – Jul 13, 2026

Server-Side Request Forgery in the WPJAM Basic WordPress plugin (by denishua) affects all versions up to and including 7.0, letting remote attackers coerce the site's server into issuing crafted outbound requests. Because the CVSS scope is marked Changed with low confidentiality and integrity impact, an attacker can reach internal or otherwise-protected services and read back limited responses. No public exploit identified at time of analysis, and the issue is not listed in CISA KEV; it was disclosed through the Patchstack vulnerability database.

RemediationAI

No vendor-released patched version was identified in the provided data (all versions through 7.0 are listed as affected and no fix version is given), so first consult the Patchstack advisory (https://patchstack.com/database/Wordpress/Plugin/wpjam-basic/vulnerability/wordpress-wpjam-basic-plugin-7-0-server-side-request-forgery-ssrf-vulnerability) and upgrade to any release later than 7.0 once published. Until a fixed version is confirmed, apply compensating controls: place a WordPress WAF/virtual patch (e.g., Patchstack) in front of the site to block SSRF payloads; restrict the web server's outbound network egress with a firewall so it cannot reach internal ranges (RFC1918, 127.0.0.1, and the 169.254.169.254 cloud metadata endpoint), accepting that legitimate outbound fetches the plugin performs may break; and consider disabling or removing WPJAM Basic if the SSRF-triggering feature is not required. Each control trades functionality or maintenance overhead for reduced exposure, and none is a substitute for the eventual vendor fix.

Affected VersionsENISA

WPJAM Basic 0 ≤7.0

Affected Packages

euvd wpjam_basic 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 flaw is a classic CWE-918 Server-Side Request Forgery: the plugin accepts an attacker-influenced URL or host value and performs a server-side HTTP fetch without adequately validating or restricting the destination, allowing the request to be redirected toward internal endpoints, cloud metadata services, or other unintended targets. The affected component is WPJAM Basic (CPE cpe:2.3:a:denishua:wpjam_basic), a general-purpose WordPress management/enhancement plugin that provides admin and content utilities; SSRF typically arises in such plugins from features that fetch remote images, thumbnails, feeds, or CDN/URL-processing helpers. WordPress plugins run inside the PHP application context, so a successful SSRF executes with the web server's network position and can pivot into the hosting environment's trust boundary - which is consistent with the Scope:Changed rating in the CVSS vector.

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Severity by source

Vendor (Patchstack) PRIMARY 7.2 HIGH
AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N
vuln.today AI 6.4 MEDIUM

Network-reachable low-complexity SSRF with Changed scope and limited C/I impact; PR:L chosen because such WordPress plugin endpoints commonly require an authenticated session, though the source vector claims PR:N.

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

Primary rating from Vendor (Patchstack).

CVSS VectorVendor: Patchstack

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

DescriptionCVE.org

Server-Side Request Forgery (SSRF) vulnerability in denishua WPJAM Basic wpjam-basic allows Server Side Request Forgery.This issue affects WPJAM Basic: from n/a through <= 7.0.

Executive ViewAI

Why It Matters

The WPJAM Basic WordPress plugin (versions through 7.0) contains a Server-Side Request Forgery vulnerability allowing remote attackers to coerce an organization's web server into making unauthorized requests to internal systems, potentially exposing sensitive data or enabling network reconnaissance. Any organization running this plugin faces direct risk of internal infrastructure compromise and data disclosure. Immediate mitigation is required.

Business Impact: High
Compensating Controls

No vendor-released patch identified at time of analysis. Interim mitigations: disable the affected plugin; implement network segmentation to restrict outbound connections from the WordPress server; deploy firewall rules limiting access to internal services; monitor server logs for suspicious outbound connections; and consider web application firewall rules if the plugin must remain enabled.

Threat Intelligence Overview

EPSS Score
0.3%
Top 82% exploitable
Prevalence
Low
niche WordPress plugin, primarily Chinese community, limited global footprint
Data Quality
5 sources
Confidence: Medium

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 0.3%
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
Yes
Human Impact
High
Technical Impact
Partial

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

Server-Side Request Forgery exploits applications that fetch remote resources based on user-supplied URLs.

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