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CVE-2026-2222

LowPublished

code-projects Online Reviewer System btn_functions.php cross site scripting

Published: Feb 9, 2026
Updated: Feb 23, 2026
Assigning CNA: VulDB
Evidence observed: Aug 10, 2026

Primary CVSS

1.9/ 10Low

nvd · CVSS 4.0

CVSS:4.0/AV:N/AC:L/AT:N/PR:H/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

EPSS probability estimate

0.2%

Low · next 30 days

Percentile: 11.8%
Model date: Sep 21, 2026

EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.

Summary

A weakness has been identified in code-projects Online Reviewer System 1.0. Affected by this vulnerability is an unknown functionality of the file /system/system/admins/manage/users/btn_functions.php. Executing a manipulation of the argument firstname can lead to cross site scripting. The attack may be performed from remote. The exploit has been made available to the public and could be used for attacks.

Sources

CVE-2026-2222-MQTT-Broker-CONNECT-Packet-Heap-OverflowPoC
Demonstrates CVE-2026-2222 heap overflow in MQTT CONNECT packet handling with a simulated vulnerable broker and proof-of-concept exploit code for remote code execution.

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