CVE-2021-4382
The Recently plugin for WordPress is vulnerable to arbitrary file uploads due to missing file type validation in the fetch_external_image() function in versions up to, and including, 3.0.4.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.62%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
The Recently plugin for WordPress is vulnerable to arbitrary file uploads due to missing file type validation in the fetch_external_image() function in versions up to, and including, 3.0.4. This makes it possible for authenticated attackers to upload arbitrary files on the affected site's server which may make remote code execution possible.
- CVSS 3.1
- 8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 1.62% probability · 75th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-434
- Affected
- recently project/recently
- Source
- security@wordfence.com
References
- https://plugins.trac.wordpress.org/changeset/2542693Release Notes
- https://wpscan.com/vulnerability/92c3f26a-1a84-459a-874b-07dc83c9f42aThird Party Advisory
- https://www.acunetix.com/vulnerabilities/web/wordpress-plugin-recently-multiple-vulnerabilities-3-0-4/Third Party Advisory
- https://www.wordfence.com/threat-intel/vulnerabilities/id/f8297149-2de3-4e49-80f9-6ea59dea6bce?source=cveThird Party Advisory
- https://plugins.trac.wordpress.org/changeset/2542693Release Notes
- https://wpscan.com/vulnerability/92c3f26a-1a84-459a-874b-07dc83c9f42aThird Party Advisory
- https://www.acunetix.com/vulnerabilities/web/wordpress-plugin-recently-multiple-vulnerabilities-3-0-4/Third Party Advisory
- https://www.wordfence.com/threat-intel/vulnerabilities/id/f8297149-2de3-4e49-80f9-6ea59dea6bce?source=cveThird Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.