How severe is CVE-2023-4668?

CVE-2023-4668 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2023-4668 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (40th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-4668?

CVE-2023-4668 affects Ad Inserter Project Ad Inserter. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-4668?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2023-4668 published?

CVE-2023-4668 was published on 2023-10-20 and last updated on 2026-06-17.

CVE-2023-4668

CVE-2023-4668 is a medium-severity vulnerability in Ad Inserter Project Ad Inserter with a CVSS 3.x base score of 5.3. 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-862.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
EPSS exploit prediction: 1% (40th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-862
Affected product: Ad Inserter Project Ad Inserter
Published: 2023-10-20
Last modified: 2026-06-17

Description

The Ad Inserter for WordPress is vulnerable to Sensitive Information Exposure in versions up to, and including, 2.7.30 via the ai-debug-processing-fe URL parameter. This can allow unauthenticated attackers to extract sensitive data including installed plugins (present and active), active theme, various plugin settings, WordPress version, as well as some server settings such as memory limit, installation paths.

Frequently asked questions

What is CVE-2023-4668?: The Ad Inserter for WordPress is vulnerable to Sensitive Information Exposure in versions up to, and including, 2.7.30 via the ai-debug-processing-fe URL parameter. This can allow unauthenticated attackers to extract sensitive data including installed plugins (present and active), active theme, various plugin settings, WordPress version, as well as some server settings such as memory limit, installation paths.
How severe is CVE-2023-4668?: CVE-2023-4668 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2023-4668 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (40th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-4668?: CVE-2023-4668 affects Ad Inserter Project Ad Inserter. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-4668?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-4668 published?: CVE-2023-4668 was published on 2023-10-20 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:ad_inserter_project:ad_inserter:*:*:*:*:*:wordpress:*:*

More vulnerabilities in Ad Inserter Project Ad Inserter

CVE-2015-9497 — High (CVSS 8.8): The ad-inserter plugin before 1.5.3 for WordPress has CSRF with resultant XSS via…
CVE-2019-15324 — High (CVSS 8.8): The ad-inserter plugin before 2.4.22 for WordPress has remote code execution.
CVE-2019-15323 — High (CVSS 7.5): The ad-inserter plugin before 2.4.20 for WordPress has path traversal.
CVE-2023-1549 — High (CVSS 7.2): The Ad Inserter WordPress plugin before 2.7.27 unserializes user input provided via the settings, which could allow…
CVE-2022-0901 — Medium (CVSS 6.1): 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 (CVSS 6.1): The Ad Inserter WordPress plugin before 2.7.10, Ad Inserter Pro WordPress plugin before 2.7.10 do not sanitise and…

All CVEs affecting Ad Inserter Project Ad Inserter →

Other CWE-862 (Missing Authorization) vulnerabilities

CVE-2026-0092 — Critical (CVSS 10.0): In Package Manager, there is a possible device lock controller bypass due to a missing permission check. This could…
CVE-2026-33712 — Critical (CVSS 10.0): Typebot is a chatbot builder tool. In versions 3.15.2 and prior, the preview chat endpoint (POST…
CVE-2026-2031 — Critical (CVSS 10.0): An Improper Access Control vulnerability in several internal API endpoints for Google Cloud Application Integration…
CVE-2026-34976 — Critical (CVSS 10.0): Dgraph is an open source distributed GraphQL database. Prior to 25.3.1, the restoreTenant admin mutation is missing…
CVE-2025-30416 — Critical (CVSS 10.0): Sensitive data disclosure and manipulation due to missing authorization. The following products are affected: Acronis…
CVE-2025-45854 — Critical (CVSS 10.0): /server/executeExec of JEHC-BPM 2.0.1 allows attackers to execute arbitrary code via execParams.

Browse all CWE-862 (Missing Authorization) vulnerabilities →