Medium severity4.3NVD Advisory· Published Apr 9, 2026· Updated Apr 29, 2026

CVE-2026-5826

Description

A flaw has been found in code-projects Simple IT Discussion Forum 1.0. This issue affects some unknown processing of the file /edit-category.php. Executing a manipulation of the argument Category can lead to cross site scripting. The attack can be launched remotely. The exploit has been published and may be used.

Affected products

Lonelyuan/Vunlsreferences

Patches

No patches discovered yet.

Vulnerability mechanics

AI mechanics synthesis has not run for this CVE yet.

References

News mentions

No linked articles in our index yet.

Severity

MediumCVSS v3.1

4.3/ 10

CVSS v42.1

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
Complexity: Low
Privileges: None
User interaction: Required
Scope: Unchanged
Confidentiality: None
Integrity: Low
Availability: None

Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N

EPSS

Probability of exploitation in the next 30 days.

0.01%

VYPR risk score

Composite of severity, exploitation, and reach.

0.28low

cvss	0.280
epss	0.000
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000

Weaknesses

CWE-79
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CWE-94
Improper Control of Generation of Code ('Code Injection')

CVE ID

CVE-2026-5826

Credits

C(
christychen11 (VulDB User)
reporter