TI-2023-05963 Aliases CVE-2023-6506 GHSA-5pwx-2rrr-xcvm

WP 2FA <= 2.5.0 - Insecure Direct Object Reference to Arbitrary Email Sending

LOW 20CWE-639Published 2024-01-11 · Updated 2026-04-08

Key facts

Attack vector: Network
Privileges required: Low
User interaction: None
Attack complexity: Low
Impact type: Security bypass
Confidentiality · integrity · availability: None · Low · None
Fix status: No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-639.

Summary

The WP 2FA – Two-factor authentication for WordPress plugin for WordPress is vulnerable to Insecure Direct Object Reference in all versions up to, and including, 2.5.0 via the send_backup_codes_email due to missing validation on a user controlled key. This makes it possible for subscriber-level attackers to email arbitrary users on the site.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00467 40th percentileScored 2026-11-07

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: No
Technical impact: Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
Melapress	WP 2FA – Two-factor authentication for WordPress	up to 2.5.0	—	No fix listed	CNA

WP 2FA – Two-factor authentication for WordPress VendorMelapress Affected up to 2.5.0 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:wpwhitesecurity:wp_2fa::::::wordpress::*	up to 2.5.0	Vulnerable	wpwhitesecurity

cpe:2.3:a:wpwhitesecurity:wp_2fa:*:*:*:*:*:wordpress:*:* Versions up to 2.5.0 Vulnerable ·wpwhitesecurity

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2023-6506
2026-10-03 Alias added: GHSA-5pwx-2rrr-xcvm

References

Patch 1

https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=3009922%40wp-2fa&new=3009922%40wp-2fa&sfp_email=&sfph_mail=

Advisory 2

TI-2023-27808 WordPress WP Activity Log Plugin <= 4.6.1 is vulnerable to Cross Site Scripting (XSS) CVSS 3.1HIGH 7.1
TI-2024-09166 Website File Changes < 2.1.1 - Authenticated SQL Injection CVSS 3.1MEDIUM 5.4
TI-2024-09289 Website File Changes < 2.1.0 - Admin+ Authenticated SQL Injection CVSS 3.1MEDIUM 4.1
TI-2026-39609 WordPress WP Activity Log plugin <= 5.6.3.1 - PHP Object Injection vulnerability CVSS 3.1CRITICAL 9.8
TI-2025-06268 Authentication bypass in Melapress Login Security CVSS 3.1CRITICAL 9.8
TI-2025-02511 Missing authorization in MelaPress Login Security Premium CVSS 3.1HIGH 8.2

See all 31 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences