5.3

CVE-2023-4645: Ad Inserter <= 2.7.30 - Unauthenticated Sensitive Information Exposure via ai_ajax

Modified
Published 19-10-2023Last modified 08-04-2026

Vulnerability summary

CVE-2023-4645 is a medium (CVSS 5.3) Missing Authorization vulnerability in igorfuna ad_inserter. EPSS estimates a 0.77% chance of exploitation in the next 30 days, higher than 55% of scored vulnerabilities.

Overall risk
21/100
0100
Low · default modelHow is this calculated?
CVSS score
5.3/10
010
Medium · v3.1 (CVE.org)
EPSS score
0.77%
0%100%
Low · +0.13 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Timeline

  1. 19-10-2023
    PublishedVulnerability first disclosed.
  2. 08-04-2026
    Last modifiedVulnerability information updated.

Description

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.

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.77%

Chance of exploitation in the next 30 days

Percentile

55%

Versus all other CVEs

30-day change

Increase +0.13 pp

From 0.64% on 22-09-2026

22-09-202622-10-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Igorfuna1 product
Spacetime1 product
Wordpress1 product
  • ad-inserter≤ 2.7.30 (fixed in 2.7.31)

3 vendors · 3 products

References

4 links