CVE-2023-6506
CVE-2023-6506 is a medium-severity vulnerability in Wpwhitesecurity Wp 2fa with a CVSS 3.x base score of 4.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-639.
Key facts
- Severity: Medium (CVSS 3.x base score 4.3)
- EPSS exploit prediction: 0% (37th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2023-58737
- Weakness: CWE-639
- Affected product: Wpwhitesecurity Wp 2fa
- Published:
- Last modified:
Description
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.
Frequently asked questions
- What is CVE-2023-6506?
- 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.
- How severe is CVE-2023-6506?
- CVE-2023-6506 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability none.
- Is CVE-2023-6506 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (37th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2023-6506?
- CVE-2023-6506 affects Wpwhitesecurity Wp 2fa. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2023-6506?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- Does CVE-2023-6506 have an EU (EUVD) identifier?
- Yes. CVE-2023-6506 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-58737.
- When was CVE-2023-6506 published?
- CVE-2023-6506 was published on 2024-01-11 and last updated on 2026-06-17.
References
- https://plugins.trac.wordpress.org/browser/wp-2fa/trunk/includes/classes/Admin/class-setup-wizard.php?rev=2940688#L606
- https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=3009922%40wp-2fa&new=3009922%40wp-2fa&sfp_email=&sfph_mail=
- https://www.wordfence.com/threat-intel/vulnerabilities/id/caff9be6-4161-47a0-ba47-6c8fc0c4ab40?source=cve
Affected products (1)
- cpe:2.3:a:wpwhitesecurity:wp_2fa:*:*:*:*:*:wordpress:*:*
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