CVE-2025-8340Public exploitNetwork attack vector

Reflected XSS via unescaped email error output

Published Jul 31, 2025 · Updated Jul 31, 2025

Reflected XSS in Code Projects Intern Membership Management System 1.0 allows remote attackers to run script in a victim's browser. The fill_details.php error handler places the submitted email value into an HTML error response without output encoding. Exploitation requires a victim to submit the crafted value, after which attacker-controlled JavaScript executes in that victim's application origin.

CVSS severity6.1
Medium
EPSS probability0.45%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
Coverage for this vulnerability

See if you're affected

Explore vulnerability checks for your environment with Hinoki.

Book a demo

Summary

What happened

Reflected XSS in Code Projects Intern Membership Management System 1.0 allows remote attackers to run script in a victim's browser. The fill_details.php error handler places the submitted email value into an HTML error response without output encoding. Exploitation requires a victim to submit the crafted value, after which attacker-controlled JavaScript executes in that victim's application origin.

The record

CVE
CVE-2025-8340
Published
Jul 31, 2025
Updated
Jul 31, 2025
Vendor
Code Projects
Product
Intern Membership Management System
Classifications
CWE-79, CWE-94, T1059.007
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Jul 31, 2025CVE publishedPublication date reported by the CVE source.
  2. Jul 31, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

Compare your product and version with the public record. A matching version still requires validation against your environment.

Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=1.0

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Code Projects · Intern Membership Management Systemversion=1.0

Published CVSS scores

4.3VulDB CNACVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N/E:P/RL:X/RC:R
4.3VulDB CNACVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N/E:P/RL:X/RC:R
5.3VulDB CNACVSS: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
6.1NIST NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
5.0VulDB CNAAV:N/AC:L/Au:N/C:N/I:P/A:N/E:POC/RL:ND/RC:UR

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CWE-94Improper Control of Generation of Code ('Code Injection')
T1059.007Command and Scripting Interpreter: JavaScript/JScript

Public exploit references

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

See the directory against your own environment.

Your stack

Check the software in your environment

Book a demo to see how Hinoki identifies affected software and validates exploitability in your environment.

Book a demo