Skip to main content

PHP CVE-2026-4816

| EUVDEUVD-2026-15417 MEDIUM
Cross-site Scripting (XSS) (CWE-79)
2026-03-25 INCIBE GHSA-r9fv-65q7-7m5c
XSS PHP
4.8
CVSS 4.0 · NVD
Share

Severity by source

NVD PRIMARY
4.8 MEDIUM
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:X/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:L/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:X/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
Low
User Interaction
A
Scope
X

Lifecycle Timeline

4
EUVD ID Assigned
Mar 25, 2026 - 14:00 euvd
EUVD-2026-15417
Analysis Generated
Mar 25, 2026 - 14:00 vuln.today
Patch released
Mar 25, 2026 - 14:00 nvd
Patch available
CVE Published
Mar 25, 2026 - 13:31 nvd
MEDIUM 4.8

DescriptionCVE.org

A Reflected Cross Site Scripting (XSS) vulnerability has been found in Support Board v3.7.7. This vulnerability allows an attacker to execute JavaScript code in the victim's browser by sending the victim a malicious URL using the 'search' parameter in '/supportboard/include/articles.php'. This vulnerability can be exploited to steal sensitive user data, such as session cookies, or to perform actions on behalf of the user.

AnalysisAI

A Reflected Cross-Site Scripting (XSS) vulnerability exists in Support Board v3.7.7 that allows unauthenticated attackers to inject malicious JavaScript code via the 'search' parameter in the '/supportboard/include/articles.php' endpoint. Successful exploitation enables attackers to steal session cookies, perform unauthorized actions on behalf of victims, or harvest sensitive user data through victim browsers. A vendor patch is available, and the vulnerability has been officially reported by INCIBE, indicating moderate real-world attention.

Technical ContextAI

This vulnerability is rooted in CWE-79 (Improper Neutralization of Input During Web Page Generation), a classic reflected XSS flaw. The affected component is Support Board by Schiocco (CPE: cpe:2.3:a:schiocco:support_board:*:*:*:*:*:*:*:*), a PHP-based support ticketing system. The vulnerability specifically exists in the articles.php include file, which processes the 'search' parameter without proper input validation or output encoding. This allows attackers to reflect unsanitized user input directly into the HTML response, where a victim's browser interprets and executes it as legitimate JavaScript within the context of the Support Board application domain.

RemediationAI

Upgrade Support Board to the patched version released by Schiocco as detailed in the INCIBE advisory (https://www.incibe.es/en/incibe-cert/notices/aviso/multiple-vulnerabilities-support-board-schiocco). As an interim mitigation prior to patching, implement Web Application Firewall (WAF) rules to block requests containing suspicious JavaScript payloads in the 'search' parameter, restrict access to the /supportboard/include/articles.php endpoint to authenticated users only via authentication proxy, and deploy Content Security Policy (CSP) headers to prevent inline script execution. Monitor application logs for suspicious 'search' parameter values containing script tags or event handlers, and consider disabling the article search feature entirely until patching is completed.

More in PHP

View all
CVE-2012-1823 CRITICAL POC
9.8 May 11

sapi/cgi/cgi_main.c in PHP before 5.3.12 and 5.4.x before 5.4.2, when configured as a CGI script (aka php-cgi), does not
CVE-2016-1555 CRITICAL POC
9.8 Apr 21

(1) boardData102.php, (2) boardData103.php, (3) boardDataJP.php, (4) boardDataNA.php, and (5) boardDataWW.php in Netgear
CVE-2024-11680 CRITICAL POC
9.8 Nov 26

ProjectSend versions prior to r1720 are affected by an improper authentication vulnerability. Rated critical severity (C
CVE-2025-49113 CRITICAL POC
9.9 Jun 02

Roundcube Webmail contains a critical PHP object deserialization vulnerability (CVE-2025-49113, CVSS 9.9) that allows au
CVE-2017-9841 CRITICAL POC
9.8 Jun 27

Util/PHP/eval-stdin.php in PHPUnit before 4.8.28 and 5.x before 5.6.3 allows remote attackers to execute arbitrary PHP c
CVE-2025-0108 HIGH POC
8.8 Feb 12

Palo Alto Networks PAN-OS management web interface contains an authentication bypass allowing unauthenticated attackers

CVE-2021-25298 HIGH POC
8.8 Feb 15

Nagios XI version xi-5.7.5 is affected by OS command injection. Rated high severity (CVSS 8.8), this vulnerability is re
CVE-2021-25296 HIGH POC
8.8 Feb 15

Nagios XI version xi-5.7.5 is affected by OS command injection. Rated high severity (CVSS 8.8), this vulnerability is re
CVE-2013-4983 CRITICAL POC
10.0 Sep 10

The get_referers function in /opt/ws/bin/sblistpack in Sophos Web Appliance before 3.7.9.1 and 3.8 before 3.8.1.1 allows
CVE-2023-6553 CRITICAL POC
9.8 Dec 15

The Backup Migration plugin for WordPress is vulnerable to Remote Code Execution in all versions up to, and including, 1
CVE-2024-46506 CRITICAL POC
10.0 May 13

NetAlertX (formerly PiAlert) versions 23.01.14 through 24.x before 24.10.12 allow unauthenticated command injection thro
CVE-2024-8353 CRITICAL POC
9.8 Sep 28

The GiveWP - Donation Plugin and Fundraising Platform plugin for WordPress is vulnerable to PHP Object Injection in all

Same weakness CWE-79 – Cross-site Scripting (XSS)

View all
CVE-2013-7389 MEDIUM POC
4.3
CVE-2021-25299 MEDIUM POC
6.1
CVE-2014-2120 MEDIUM
6.1
CVE-2023-40000 HIGH POC
8.3
CVE-2016-8581 MEDIUM POC
6.1
CVE-2013-5223 MEDIUM POC
5.4
CVE-2025-52367 MEDIUM POC
5.4
CVE-2015-0072 MEDIUM POC
4.3

Same technique XSS

View all
CVE-2017-9248 CRITICAL POC
9.8
CVE-2013-1710 CRITICAL POC
10.0
CVE-2013-7389 MEDIUM POC
4.3
CVE-2021-25299 MEDIUM POC
6.1
CVE-2014-2120 MEDIUM
6.1
CVE-2023-40000 HIGH POC
8.3
CVE-2024-52875 HIGH POC
8.8
CVE-2016-8581 MEDIUM POC
6.1

Share

CVE-2026-4816 vulnerability details – vuln.today
Back

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