What is the CVSS score of CVE-2025-53821?

CVE-2025-53821 has a CVSS 3.1 base score of 4.7 (Medium). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:N. EPSS exploitation probability: 0.0%.

Is there a public PoC exploit available for CVE-2025-53821?

Yes, a public proof-of-concept exploit is available for CVE-2025-53821. Prioritise patching immediately. EPSS: 0.0%.

How to fix or mitigate CVE-2025-53821?

Within 30 days: Identify affected systems running the web application and apply vendor patches as part of regular patch cycle. Monitor vendor channels for patch availability.

Wegia CVE-2025-53821

Q: Which versions of Wegia are affected by CVE-2025-53821?

Organizations using the web application should be aware of moderate risk from CVE-2025-53821 rated CVSS 4.7. Exploitation could compromise the security of affected deployments.. A patch is available.

EUVD-2025-21395 MEDIUM

URL Redirection to Untrusted Site (Open Redirect) (CWE-601)

2025-07-14 security-advisories@github.com

PHP Open Redirect Wegia

4.7

CVSS 3.1 · GitHub Advisory

View

Vulnerability Assessment

Weakness	CWE CWE-601 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. Sign in to read
Impact	Phishing attacks using the trusted domain's reputation. Users may be redirected to credential-harvesting pages or malware download sites. With a CVSS score of 4.7 (MEDIUM), this represents a moderate risk.
Exploit ScenarioDerived	An attacker crafts a URL with the trusted domain that redirects the victim to a phishing page designed to steal credentials.

This Month Plan within 30 days. Why: MEDIUM severity (CVSS 4.0-6.9).

Patch available 0.0% exploitation probability (EPSS)

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AnalysisAIv1 – Mar 16, 2026

WeGIA is an open source web manager with a focus on the Portuguese language and charitable institutions. An Open Redirect vulnerability exists in the web application prior to version 3.4.5. The control.php endpoint allows to specify an arbitrary URL via the nextPage parameter, leading to an uncontrolled redirection. Version 3.4.5 contains a fix for the issue.

Earlier versions of this analysis (1)

v1 Mar 16, 2026 - 09:43 CVSS 4.7

RemediationAI

Validate redirect URLs against a whitelist of allowed destinations. Use relative URLs for redirects. Warn users before redirecting to external sites.

Affected VersionsENISA

WeGIA < 3.4.5

Affected Packages

euvd wegia fix: 3.4.5

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

An open redirect vulnerability allows attackers to redirect users from a trusted domain to an arbitrary external URL through manipulation of redirect parameters. This vulnerability is classified as URL Redirection to Untrusted Site (Open Redirect) (CWE-601).

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Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

GitHub Advisory PRIMARY 4.7 MEDIUM

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

Primary rating from GitHub Advisory · only source for this CVE.

CVSS VectorGitHub Advisory

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Changed

Confidentiality

None

Integrity

Low

Availability

None

Lifecycle Timeline

Patch available

Apr 16, 2026 - 05:29 EUVD

3.4.5

PoC Detected

Jul 18, 2025 - 20:08 vuln.today

Public exploit code

CVE Published

Jul 14, 2025 - 23:15 nvd

MEDIUM 4.7

Executive ViewAI

Why It Matters

Organizations using the web application should be aware of moderate risk from CVE-2025-53821 rated CVSS 4.7. Exploitation could compromise the security of affected deployments. Proof-of-concept code is publicly available. Organizations should apply vendor updates when available and monitor for exploitation.

Business Impact: Low

Compensating Controls

Apply vendor patch. If patching is delayed: restrict network access and enable monitoring.

Threat Intelligence Overview

EPSS Score

0.0%

Top 88% exploitable

Exploit

POC

Public exploit code exists

Data Quality

5 sources

Confidence: Medium

EUVD

NVD

CVE.org

EPSS

GitHub

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 Yes

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· derived

Poc

System Exposure· derived

Open

Automatable· derived

Human Impact

Low

Priority Score

Low Medium High Critical

KEV: 0

EPSS: 0

CVSS: +24

PoC: +20

Weaponized: 0

Threat intel: 0

Gov advisory: 0

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10.0 Feb 18

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10.0 Feb 18

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CVE-2025-26611 CRITICAL Act Now POC

10.0 Feb 18

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CVE-2025-26609 CRITICAL Act Now POC

10.0 Feb 18

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CVE-2025-26607 CRITICAL Act Now POC

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Same weakness CWE-601 – URL Redirection to Untrusted Site (Open Redirect)

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