What is the CVSS score of CVE-2026-64797?

CVE-2026-64797 has a CVSS 3.1 base score of 7.5 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N. EPSS exploitation probability: 0.2%.

Ip Login Extension For Joomla CVE-2026-64797

EUVD-2026-47815 HIGH

Authentication Bypass by Spoofing (CWE-290)

2026-07-22 Joomla

Authentication Bypass Ip Login Extension For Joomla Regularlabs Com

7.5

CVSS 3.1 · Vendor: Joomla

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Vulnerability Assessment

Weakness

CWE

CWE-290

OWASP Top 10:2025

A07:2025 - Authentication Failures

ASVS 5.0

V6 - Authentication Anti-spoofing controls

MITRE ATT&CK

1 technique across 1 tactic: Defense Evasion

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

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 – Jul 29, 2026

Authentication bypass via IP spoofing in the IP Login extension for Joomla allows unauthenticated attackers to impersonate mapped accounts. The extension trusts forwarded client-IP headers without requiring a trusted proxy, enabling remote attackers to spoof the IP used for automatic login. No active exploitation has been confirmed, but the vulnerability is automatable and carries high integrity impact.

Affected VersionsENISA

IP Login extension for Joomla 1.0.0-6.2.5

Affected Packages

euvd ip_login_extension_for_joomla 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.

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Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

Vendor (Joomla) PRIMARY 7.5 HIGH

AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

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

CVSS VectorVendor: Joomla

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

High

Availability

None

Lifecycle Timeline

CVSS changed

Jul 28, 2026 - 16:22 NVD

7.5 (HIGH)

CVE Published

Jul 22, 2026 - 20:44 cve.org

UNKNOWN (no severity yet)

CVE Published

Jul 22, 2026 - 20:44 cve.org

HIGH 7.5

DescriptionCVE.org

IP Login trusted forwarded client-IP headers without requiring a configured trusted proxy. Attackers could spoof the IP used for automatic login and potentially impersonate mapped accounts.

Threat Intelligence Overview

EPSS Score

0.2%

Top 92% exploitable

Social Media

Sightings

Data Quality

6 sources

Confidence: High

EUVD

NVD

CVE.org

EPSS

Vulnrichment CIRCL

VulDB

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.