Auth bypass in Igorfuna Ad Inserter

CVE-2023-4645

The Ad Inserter for WordPress is vulnerable to Sensitive Information Exposure in versions up to, and including, 2.7.30 via the ai_ajax function. This can allow unauthenticated attackers to extract sensitive data such as post titles and slugs (including those of protected posts along with their passwords), usernames, available roles, the plugin license key provided the remote debugging option is enabled. In the default state it is disabled.

Vulnerability class: Broken Access Control

Published · last modified .

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.

EPSS exploit prediction

EPSS: 0.008 (53.9th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 54th percentile — 53.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2023-4645: held from 0.006 to 0.008.

EPSS over last 30 days · oldest: 0.006 · newest: 0.008 · change: +0.001

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2023-4645?
CVE-2023-4645 is a medium-severity vulnerability in Igorfuna Ad Inserter, classified under Missing Authorization. CVSS score: 5.3/10. Published 2023-10-19.
How severe is CVE-2023-4645?
Medium severity. CVSS v3 base score is 5.3 out of 10.
Is CVE-2023-4645 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.