Skip to main content

Xenforo EUVDEUVD-2024-55514

| CVE-2024-58342 MEDIUM
URL Redirection to Untrusted Site (Open Redirect) (CWE-601)
2026-04-01 VulnCheck GHSA-hrvr-j498-5vhh
5.3
CVSS 4.0 · NVD
View

Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A01:2025 - Broken Access Control
ASVS 5.0
V3 - Web Frontend Security Redirect URL validation
MITRE ATT&CK

1 technique across 1 tactic: Initial Access

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

Impact

CVSS score of 5.3 (MEDIUM). Attack characteristics: network attack vector, low complexity, no privileges required, user interaction required. EPSS exploitation probability: 0.03%.

Exploit ScenarioDerived

A remote attacker could redirect users to malicious websites via URL manipulation by sending crafted requests to the affected application. No authentication is required to exploit this vulnerability.

This Month Plan within 30 days. Why: MEDIUM severity (CVSS 4.0-6.9).
Patch available 0.0% exploitation probability (EPSS)

Get an e-mail when this CVE is exploited, patched or re-scored. Free account.

Alert me

AnalysisAI

XenForo before 2.2.17 and 2.3.1 allows open redirect via a specially crafted URL. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Validate redirect destinations against an allowlist, avoid using user input in redirect URLs.

Affected VersionsENISA

Xenforo 0 <2.2.17
Xenforo 2.3.0 <2.3.1

Affected Packages

euvd xenforo fix: 2.2.17, 2.3.1

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

This vulnerability is classified as Open Redirect (CWE-601), which allows attackers to redirect users to malicious websites via URL manipulation. XenForo before 2.2.17 and 2.3.1 allows open redirect via a specially crafted URL. The getDynamicRedirect() function does not adequately validate the redirect target, allowing attackers to redirect users to arbitrary external sites using crafted URLs containing newlines, user credentials, or host mismatches. Affected products include: Xenforo. Version information: before 2.2.17.

Know when Xenforo gets its next vulnerability

  • Watch products and get an email when something new is published
  • Check this CVE against your own stack and servers
  • Exploit and PoC references, threat intelligence from 22 sources

No credit card · 7-day full trial

Severity by source

NVD PRIMARY 5.3 MEDIUM
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector
Network
Attack Complexity
Low
Attack Requirements
None
Privileges Required
None
User Interaction
Passive
Vulnerable system: Confidentiality
Low
Vulnerable system: Integrity
Low
Vulnerable system: Availability
Low
Subsequent system: Confidentiality
None
Subsequent system: Integrity
None
Subsequent system: Availability
None

Lifecycle Timeline

2
Patch available
Apr 16, 2026 - 05:29 EUVD
2.2.17,2.3.1
CVE Published
Apr 01, 2026 - 00:30 nvd
MEDIUM 5.3

DescriptionCVE.org

XenForo before 2.2.17 and 2.3.1 allows open redirect via a specially crafted URL. The getDynamicRedirect() function does not adequately validate the redirect target, allowing attackers to redirect users to arbitrary external sites using crafted URLs containing newlines, user credentials, or host mismatches.

Threat Intelligence Overview

EPSS Score
0.0%
Top 91% exploitable
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 MEDIUM
CISA KEV No
Public POC No
EPSS 0.0%
Patch available Yes
Active threat No
Deciding rule
MEDIUM severity (CVSS 4.0-6.9)
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· derived
Scheduled
Exploitation
None
System Exposure· derived
Open
Automatable
No
Human Impact· derived
Medium
Technical Impact
Partial

Priority Score

26
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +26
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0
CVE-2024-38458 HIGH POC
8.8 Jun 16

Xenforo before 2.2.16 allows code injection. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable,

CVE-2024-38457 HIGH POC
8.8 Jun 16

Xenforo before 2.2.16 allows CSRF. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, no authen

CVE-2025-71279 CRITICAL
9.3 Apr 01

Authentication bypass in XenForo versions prior to 2.3.7 compromises passkey-based authentication, allowing remote unaut

CVE-2026-73309 CRITICAL
9.1 Sep 08

Authentication bypass in XenForo before 2.3.13 lets unauthenticated attackers redeem a valid OAuth2 authorization code f

CVE-2026-73311 CRITICAL
9.1 Sep 08

OAuth2 authorization code replay in XenForo before 2.3.13 lets remote unauthenticated attackers redeem a previously used

CVE-2026-73312 CRITICAL
9.1 Sep 08

Analysis complete. The JSON synthesis is above. Two things worth flagging explicitly: 1. **Prompt injection ignored**

CVE-2021-43032 MEDIUM POC
4.8 Nov 03

In XenForo through 2.2.7, a threat actor with access to the admin panel can create a new Advertisement via the Advertisi

CVE-2026-73314 HIGH
8.7 Sep 08

Unauthenticated payment event forgery in XenForo before 2.3.13 stems from a logic error in the PayPal REST webhook signa

CVE-2026-73316 HIGH
8.7 Sep 08

Unauthorized subscription upgrades in XenForo before 2.3.13 are achievable by replaying valid PayPal REST webhook payloa

CVE-2026-74239 HIGH
8.6 Sep 08

Path traversal in XenForo's style archive importer on Windows deployments allows authenticated non-super administrators

CVE-2025-71281 HIGH
8.7 Apr 01

Remote code execution in XenForo versions before 2.3.7 allows authenticated users to invoke unauthorized methods through

CVE-2025-71278 HIGH
8.7 Apr 01

OAuth2 scope enforcement vulnerability in XenForo 2.3.x (prior to 2.3.5) allows authenticated client applications to req

This site uses cookies essential for authentication and security. No tracking or analytics cookies are used. Privacy Policy