CVE-2019-8942
Last modified
CVE-2019-8942 is a vulnerability of currently unknown severity. WordPress before 4.9.9 and 5.x before 5.0.1 allows remote code execution because an _wp_attached_file Post Meta entry can be changed to an arbitrary string, such as one ending with a .jpg?file.php substring. An attacker with author privileges can execute arbitrary code by uploading a crafted image containing PHP code in the Exif metadata. EPSS estimates a 82.74% chance of exploitation in the next 30 days.
Description
WordPress before 4.9.9 and 5.x before 5.0.1 allows remote code execution because an _wp_attached_file Post Meta entry can be changed to an arbitrary string, such as one ending with a .jpg?file.php substring. An attacker with author privileges can execute arbitrary code by uploading a crafted image containing PHP code in the Exif metadata. Exploitation can leverage CVE-2019-8943.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Wordpress | Wordpress | < 4.9.9 |
| Wordpress | Wordpress | 5.0 |
| Debian | Debian Linux | 9.0 |
References
- http://packetstormsecurity.com/files/152396/WordPress-5.0.0-crop-image-Shell-Upload.htmlExploit, Third Party Advisory, VDB Entry
- http://www.rapid7.com/db/modules/exploit/multi/http/wp_crop_rceExploit, Third Party Advisory
- http://www.securityfocus.com/bid/107088Third Party Advisory, VDB Entry
- https://blog.ripstech.com/2019/wordpress-image-remote-code-execution/Exploit, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2019/03/msg00044.htmlExploit, Third Party Advisory
- https://wpvulndb.com/vulnerabilities/9222Third Party Advisory
- https://www.debian.org/security/2019/dsa-4401Third Party Advisory
- https://www.exploit-db.com/exploits/46511/Exploit, Third Party Advisory, VDB Entry
- https://www.exploit-db.com/exploits/46662/Exploit, Third Party Advisory, VDB Entry
- http://packetstormsecurity.com/files/152396/WordPress-5.0.0-crop-image-Shell-Upload.htmlExploit, Third Party Advisory, VDB Entry
- http://www.rapid7.com/db/modules/exploit/multi/http/wp_crop_rceExploit, Third Party Advisory
- http://www.securityfocus.com/bid/107088Third Party Advisory, VDB Entry
- https://blog.ripstech.com/2019/wordpress-image-remote-code-execution/Exploit, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2019/03/msg00044.htmlExploit, Third Party Advisory
- https://wpvulndb.com/vulnerabilities/9222Third Party Advisory
- https://www.debian.org/security/2019/dsa-4401Third Party Advisory
- https://www.exploit-db.com/exploits/46511/Exploit, Third Party Advisory, VDB Entry
- https://www.exploit-db.com/exploits/46662/Exploit, Third Party Advisory, VDB Entry
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2019-8942?
How severe is CVE-2019-8942?
How do I fix CVE-2019-8942?
Are you affected by CVE-2019-8942?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST
