VDB
CVE-2018-1000773
CVE-2018-1000773
PUBLISHED
WordPress version 4.9.8 and earlier contains a CWE-20 Input Validation vulnerability in thumbnail processing that can result in remote code execution due to an incomplete fix for CVE-2017-1000600. This attack appears to be exploitable via thumbnail upload by an authenticated user and may require additional plugins in order to be exploited however this has not been confirmed at this time.
EPSS 27.76% · 96.6th percentile
Risk Scores
EPSS Score
27.76%
96.6th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ubuntu:16.04:LTS | wordpress | 0, 4.3.1+dfsg-1, 4.4+dfsg-1 |
| Ubuntu:20.04:LTS | wordpress | 5.2.2+dfsg1-1, 5.2.4+dfsg1-1, * |
| Ubuntu:25.10 | wordpress | 0, 6.7.2+dfsg1-1.1ubuntu1 |
| Ubuntu:24.04:LTS | wordpress | 0, 6.2+dfsg1-1ubuntu1, 6.4.3+dfsg1-1ubuntu1 |
| Ubuntu:18.04:LTS | wordpress | 4.9.2+dfsg-1, 4.8.2+dfsg-2, 4.8.3+dfsg-1 |
| Ubuntu:22.04:LTS | wordpress | 0, 5.7.1+dfsg1-2ubuntu1, 5.8.1+dfsg1-2ubuntu1 |
Exploit Intelligence
Timeline
- Sep 6, 2018 CVE Published
- Apr 14, 2021 EPSS Score
- Mar 7, 2023 EPSS Score
- Aug 5, 2024 CVE Updated
- Mar 17, 2025 EPSS Score
- Mar 23, 2025 EPSS Score
- Mar 24, 2025 EPSS Score
- Mar 30, 2025 EPSS Score
- May 1, 2025 EPSS Score
- Jun 1, 2025 EPSS Score
- Jun 4, 2025 EPSS Score
- Jul 4, 2025 EPSS Score
References
- https://ubuntu.com/security/CVE-2018-1000773 third-party-advisory
- https://www.theregister.co.uk/2018/08/20/php_unserialisation_wordpress_vuln/ third-party-advisory
- https://youtu.be/GePBmsNJw6Y?t=1763 third-party-advisory
- https://www.cve.org/CVERecord?id=CVE-2018-1000773 third-party-advisory