What is the CVSS score of CVE-2024-0503?

CVE-2024-0503 has a CVSS 3.1 base score of 3.5 (Low). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N. EPSS exploitation probability: 0.2%.

Is there a public PoC exploit available for CVE-2024-0503?

Yes, a public proof-of-concept exploit is available for CVE-2024-0503. Prioritise patching immediately. EPSS: 0.2%.

How to fix or mitigate CVE-2024-0503?

During next maintenance window: Apply vendor patches when convenient. Verify cross-site scripting controls are in place.

Online Fir System CVE-2024-0503

LOW

Cross-site Scripting (XSS) (CWE-79)

2024-01-13 cna@vuldb.com

PHP XSS Online Fir System Sherlock

3.5

CVSS 3.1 · NVD

View

Vulnerability Assessment

Weakness	CWE CWE-79 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. Sign in to read
Impact	CVSS score of 3.5 (LOW). Attack characteristics: network attack vector, low complexity, low privileges required, user interaction required. Public proof-of-concept exploit code is available. EPSS exploitation probability: 0.17%.
Exploit ScenarioDerived	A remote attacker could inject malicious scripts into web pages viewed by other users by sending crafted requests to the affected application.

Monitor Track and reassess. Why: LOW severity (CVSS 0.1-3.9).

No patch listed yet 0.2% exploitation probability (EPSS)

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AnalysisAIv1 – Mar 28, 2026

A vulnerability was found in code-projects Online FIR System 1.0. Rated low severity (CVSS 3.5), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Sanitize all user input, use Content-Security-Policy headers, encode output contextually (HTML, JS, URL). Use frameworks with built-in XSS protection.

Affects your stack

Find out whether the stacks and servers you run are on an affected version.

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 Cross-Site Scripting (XSS) (CWE-79), which allows attackers to inject malicious scripts into web pages viewed by other users. A vulnerability was found in code-projects Online FIR System 1.0. It has been classified as problematic. This affects an unknown part of the file registercomplaint.php. The manipulation of the argument Name/Address leads to cross site scripting. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. The associated identifier of this vulnerability is VDB-250611. Affected products include: Sherlock Online Fir System.

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Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

NVD PRIMARY 3.5 LOW

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

Required

Scope

Unchanged

Confidentiality

None

Integrity

Low

Availability

None

Lifecycle Timeline

PoC Detected

Nov 21, 2024 - 08:46 vuln.today

Public exploit code

CVE Published

Jan 13, 2024 - 21:15 nvd

LOW 3.5

DescriptionCVE.org

A vulnerability was found in code-projects Online FIR System 1.0. It has been classified as problematic. This affects an unknown part of the file registercomplaint.php. The manipulation of the argument Name/Address leads to cross site scripting. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. The associated identifier of this vulnerability is VDB-250611.

Executive ViewAI

Why It Matters

CVE-2024-0503 is a low-severity vulnerability in A vulnerability involving cross-site scripting (CVSS 3.5). The limited severity suggests constrained impact, typically requiring specific conditions or local access for exploitation. Apply vendor updates when available as part of routine maintenance.

Business Impact: Low

Compensating Controls

Apply vendor patch during routine maintenance. Standard cross-site scripting mitigations apply if patching is delayed.

Threat Intelligence Overview

EPSS Score

0.2%

Top 62% exploitable

Exploit

POC

Public exploit code exists

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 LOW

CISA KEV No

Public POC Yes

EPSS 0.2%

Patch available No

Active threat No

Deciding rule

LOW severity (CVSS 0.1-3.9)

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.