What is CVE-2023-0831?

CVE-2023-0831 is a medium-severity vulnerability in Webfactory Under Construction, classified under Cross-Site Request Forgery (CSRF). CVSS score: 4.3/10. Published 2023-06-09.

How severe is CVE-2023-0831?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Is CVE-2023-0831 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

CSRF in Webfactory Under Construction

CVE-2023-0831

The Under Construction plugin for WordPress is vulnerable to Cross-Site Request Forgery in versions up to, and including, 3.96. This is due to missing or incorrect nonce validation on the dismiss_notice function called via the admin_action_ucp_dismiss_notice action. This makes it possible for unauthenticated attackers to dismiss plugin notifications via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.

Vulnerability class: CSRF (Cross-Site Request Forgery)

EPSS: 0.003 (16.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N.

Affected products

Webfactory Under Construction — versions 0
Webfactoryltd Under_construction

Weakness classification (CWE)

CWE-352 — Cross-Site Request Forgery (CSRF)

Public proof-of-concept exploits

20142995/nuclei-templates

References

security@wordfence.com (Third Party Advisory)
security@wordfence.com (Patch)

Frequently asked questions

What is CVE-2023-0831?: CVE-2023-0831 is a medium-severity vulnerability in Webfactory Under Construction, classified under Cross-Site Request Forgery (CSRF). CVSS score: 4.3/10. Published 2023-06-09.
How severe is CVE-2023-0831?: Medium severity. CVSS v3 base score is 4.3 out of 10.
Is CVE-2023-0831 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.