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Integration for Freshsales EUVDEUVD-2026-34941

| CVE-2026-8901 HIGH
Cross-site Scripting (XSS) (CWE-79)
2026-06-06 Wordfence GHSA-mx37-f3jf-xmhw
7.2
CVSS 3.1 · Vendor: Wordfence
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Attack ChainAIDerived

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

  1. Recon
    Identify site running vulnerable Freshsales plugin
  2. Delivery
    Submit form with JavaScript payload in field
  3. Exploit
    Force Freshsales CRM API call to fail
  4. Install
    Payload stored in fw_error_log table
  5. C2
    Administrator opens error log details modal
  6. Execute
    Script executes in admin session
  7. Impact
    Hijack admin nonces or create rogue admin user

Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A05:2025 - Injection
ASVS 5.0
V1 - Encoding and Sanitization Output encoding, context-aware escaping
MITRE ATT&CK

2 techniques across 2 tactics: Initial Access, Execution

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

Exploitation Conditions

Requires the Integration for Freshsales plugin (slug crm-integration-freshworks-any-form, version ≤ 1.0.15) to be installed and active on a WordPress site with at least one public form connected to its Freshsales CRM submit action. The attacker must cause the CRM API call for their crafted submission to fail so the payload is written to the plugin's fw_error_log table, and a WordPress administrator must subsequently open the error log details modal in wp-admin for the stored script to execute - without that admin interaction, the payload remains dormant. No authentication is required to submit the payload (PR:N), but the requirements of a failed CRM call and admin review of the error log modal materially limit exploitation compared to a fully drive-by stored XSS, despite CVSS UI:N.

Impact

The CVSS 3.1 vector AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N reflects a network-reachable, low-complexity, unauthenticated injection with changed scope (form visitor context to admin context) and limited confidentiality/integrity impact, yielding 7.2. The UI:N rating is technically generous given the description explicitly requires an administrator to open the error log modal, so real-world triggering depends on admin behaviour and on the CRM API actually failing for the malicious submission, which constrains exploitability. No EPSS score, KEV listing, or SSVC decision data was supplied, and no public PoC is referenced; the only intelligence beyond NVD is the Wordfence Threat Intel advisory. Net risk is moderate: high impact if triggered (admin-context script execution can pivot to account takeover via nonce theft or plugin/user manipulation), but exploitation is opportunistic and gated on a failure condition plus admin review, so prioritize patching but treat it below actively exploited admin-takeover bugs.

Exploit ScenarioDerived

An unauthenticated attacker submits a public WordPress form (e.g., a Contact Form 7 or WPForms form wired to the Freshsales integration) containing a JavaScript payload such as an event-handler attribute or script tag in a field like name or message, while ensuring the Freshsales CRM API call fails (for example by triggering validation errors, using malformed CRM-mapped fields, or submitting during a known Freshsales outage). The submission is written to the plugin's error log, and when a WordPress administrator later opens the error log details modal to investigate failed CRM syncs, the payload executes in their authenticated admin session and can be used to create a new administrator user, steal nonces, or install a malicious plugin. No public exploit identified at time of analysis, but the vulnerable sinks are clearly identified in the referenced trac source lines.

This Week Schedule remediation this week. Why: HIGH severity (CVSS 7.0-8.9).
No patch listed yet 0.2% exploitation probability (EPSS)

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AnalysisAIv1 – Jun 06, 2026

Stored cross-site scripting in the Integration for Freshsales WordPress plugin (versions up to and including 1.0.15) allows unauthenticated attackers to inject arbitrary JavaScript via form submission data that executes when an administrator views the failed-CRM-call error log modal in wp-admin. The flaw, reported by Wordfence and tracked as CWE-79, carries CVSS 7.2 due to scope change (S:C) since the payload escapes from the form-submission context into the privileged admin panel, though no public exploit identified at time of analysis.

RemediationAI

Upstream fix available (changeset 3552999 on plugins.trac.wordpress.org for crm-integration-freshworks-any-form); released patched version not independently confirmed from the supplied data, so administrators should update to the latest plugin release published after changeset 3552999 via the WordPress plugin manager and verify the installed version is greater than 1.0.15. If immediate updating is not possible, compensating controls include deactivating the Integration for Freshsales plugin entirely (which disables CRM sync and breaks any forms relying on it), placing the wp-admin error-log modal endpoint behind an IP allowlist or HTTP auth at the web server, or temporarily purging and disabling the plugin error log table so the vulnerable modal renders no attacker-controlled rows (trade-off: loss of CRM failure diagnostics). Administrators should also avoid opening the error log details modal until patched and review the fw_error_log table for suspicious script content; consult the Wordfence advisory at https://www.wordfence.com/threat-intel/vulnerabilities/id/a4c8cf71-e9b0-4241-b975-f52aeb823318 for vendor guidance.

Affected VersionsENISA

Integration for Freshsales – Contact Form 7, WPForms, Elementor, Gravity Forms and More 0 ≤1.0.15

Affected Packages

euvd integration_for_freshsales_contact_form_7_wpforms_elementor_gravity_forms_and_more 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 Freshsales/Freshworks CRM integration plugin (cpe:2.3:a:plugcrux:integration_for_freshsales...) which bridges WordPress form builders such as Contact Form 7, WPForms, Elementor, and Gravity Forms to the Freshsales CRM. When a form submission is sent to the Freshsales API via submit-action.php and the upstream API call fails, the submitted field data is persisted to a local error log table by fw-error-log.php and later rendered in an admin-facing details modal driven by error-log.js and fw-errorlog-action.php. The referenced source lines show the submitted values are written into the DOM without adequate sanitization on input or escaping on output, the textbook CWE-79 (Improper Neutralization of Input During Web Page Generation) pattern; because the sink is rendered in the WordPress admin context, executing script there inherits administrator privileges.

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Severity by source

Vendor (Wordfence) PRIMARY 7.2 HIGH
AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N

Primary rating from Vendor (Wordfence) · only source for this CVE.

CVSS VectorVendor: Wordfence

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

DescriptionCVE.org

The Integration for Freshsales - Contact Form 7, WPForms, Elementor, Gravity Forms and More plugin for WordPress is vulnerable to Stored Cross-Site Scripting via Form Submission Data in all versions up to, and including, 1.0.15 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. The injected payload only executes when a CRM API call fails for the submitted form and an administrator subsequently views the error log details modal in the WordPress admin panel.

Executive ViewAI

Why It Matters

The Integration for Freshsales WordPress plugin (versions ≤1.0.15) contains a stored cross-site scripting vulnerability that enables unauthenticated attackers to inject malicious code that executes in administrator dashboards. This creates a privilege-escalation pathway within WordPress administrative functions, affecting all organizations using this plugin to integrate Freshsales CRM.

Business Impact: High
Compensating Controls

Disable Integration for Freshsales plugin pending patch release; restrict wp-admin access via IP allowlisting; enable WordPress admin audit logging to detect JavaScript injection in CRM error logs; deploy WAF with rules blocking form-submission XSS payloads; use Content Security Policy headers to restrict inline script execution in admin panel.

Threat Intelligence Overview

EPSS Score
0.2%
Top 63% exploitable
Social Media
2
Sightings
Data Quality
6 sources
Confidence: High

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 0.2%
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
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

Cross-Site Scripting occurs when an application accepts untrusted data and sends it to a web browser without proper validation or encoding.

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