VDB-356273 · CVE-2026-5826 · EUVD-2026-20817

code-projects Simple IT Discussion Forum 1.0 /edit-category.php Category cross site scripting

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
3.9	$0-$5k	1.83-

Summaryinfo

A vulnerability, which was classified as problematic, has been found in code-projects Simple IT Discussion Forum 1.0. Impacted is an unknown function of the file /edit-category.php. The manipulation of the argument Category leads to cross site scripting. This vulnerability is listed as CVE-2026-5826. The attack may be initiated remotely. In addition, an exploit is available.

Detailsinfo

A vulnerability was found in code-projects Simple IT Discussion Forum 1.0. It has been rated as problematic. This issue affects an unknown functionality of the file /edit-category.php. The manipulation of the argument category with an unknown input leads to a cross site scripting vulnerability. Using CWE to declare the problem leads to CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. Impacted is integrity.

The advisory is shared at github.com. The identification of this vulnerability is CVE-2026-5826. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. It demands that the victim is doing some kind of user interaction. Technical details as well as a public exploit are known. MITRE ATT&CK project uses the attack technique T1059.007 for this issue.

The exploit is available at github.com. It is declared as proof-of-concept. By approaching the search of inurl:edit-category.php it is possible to find vulnerable targets with Google Hacking.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2026-20817). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

Forum Software

Vendor

code-projects

Name

Simple IT Discussion Forum

Version

License

free

Website

Vendor: https://code-projects.org/

CPE 2.3info

🔒

CPE 2.2info

🔒

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.3
VulDB Meta Temp Score: 3.9

VulDB Base Score: 4.3
VulDB Temp Score: 3.9
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Cross site scripting
CWE: CWE-79 / CWE-94 / CWE-74
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Access: Public
Status: Proof-of-Concept
Download: 🔒
Google Hack: 🔒
Price Prediction: 🔍
Current Price Estimation: 🔒

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

04/08/2026 Advisory disclosed
04/08/2026 +0 days VulDB entry created
04/09/2026 +1 days VulDB entry last update

Sourcesinfo

Vendor: code-projects.org

Advisory: github.com
Status: Not defined

CVE: CVE-2026-5826 (🔒)
GCVE (CVE): GCVE-0-2026-5826
GCVE (VulDB): GCVE-100-356273
EUVD: 🔒
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 04/08/2026 19:00
Updated: 04/09/2026 07:44
Changes: 04/08/2026 19:00 (56), 04/09/2026 07:44 (1)
Complete: 🔍
Submitter: christychen11
Cache ID: 216:E13:103

Submitinfo

Accepted

Submit #788335: code-projects Simple IT Discussion Forum V1.0 cross site scripting (by christychen11)

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.