CVE-2023-0477
CVE-2023-0477 is a high-severity vulnerability in Cm-wp Auto Featured Image with a CVSS 3.x base score of 8.8. 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-434.
Key facts
- Severity: High (CVSS 3.x base score 8.8)
- EPSS exploit prediction: 2% (74th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-434
- Affected product: Cm-wp Auto Featured Image
- Published:
- Last modified:
Description
The Auto Featured Image (Auto Post Thumbnail) WordPress plugin before 3.9.16 includes an AJAX endpoint that allows any user with at least Author privileges to upload arbitrary files, such as PHP files. This is caused by incorrect file extension validation.
Frequently asked questions
- What is CVE-2023-0477?
- The Auto Featured Image (Auto Post Thumbnail) WordPress plugin before 3.9.16 includes an AJAX endpoint that allows any user with at least Author privileges to upload arbitrary files, such as PHP files. This is caused by incorrect file extension validation.
- How severe is CVE-2023-0477?
- CVE-2023-0477 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2023-0477 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (74th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2023-0477?
- CVE-2023-0477 affects Cm-wp Auto Featured Image. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2023-0477?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2023-0477 published?
- CVE-2023-0477 was published on 2023-03-13 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:cm-wp:auto_featured_image:*:*:*:*:*:wordpress:*:*
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