PatchTheCVECVE-2023-4645: The Ad Inserter for WordPress is vulnerable to Sensitive Information Exposure in versions up to, and including
CVE-2023-4645 is a medium-severity flaw (CVSS 5.3) affecting ad inserter. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
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.
Why this priority
- Remotely exploitable, no login, no user action
A fixed release or distro patch exists.
Risk facts
| CVSS score | 5.3 (Medium) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | None |
| User interaction | None |
| EPSS exploit chance | 0.8% (top 45%) |
| CISA exploited list | No |
| Weakness | CWE-862 |
| Published | 2023-10-19 |
| Last modified | 2026-06-17 |
Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2023-4645?
ad inserter: upgrade to newer than 2.7.30. Exact commands for each OS are on this page.
Is CVE-2023-4645 being exploited?
CVE-2023-4645 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2023-4645 affect?
CVE-2023-4645 affects ad inserter. Severity is medium (CVSS 5.3). 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 slug
How urgent is CVE-2023-4645?
Priority 37/100. Remotely exploitable, no login, no user action
Software pages
Related CVEs
- CVE-2023-4668 MEDIUM 5.3 UPGRADE The Ad Inserter for WordPress is vulnerable to Sensitive Information Exposure in versions up to, and including
- CVE-2023-1549 HIGH 7.2 UPGRADE The Ad Inserter WordPress plugin before 2.7.27 unserializes user input provided via the settings, which could
- CVE-2022-0901 MEDIUM 6.1 UPGRADE The Ad Inserter Free and Pro WordPress plugins before 2.7.12 do not sanitise and escape the REQUEST_URI before
- CVE-2022-0288 MEDIUM 6.1 UPGRADE UPGRADE The Ad Inserter WordPress plugin before 2.7.10, Ad Inserter Pro WordPress plugin before 2.7.10 do not sanitise