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High severity · published Oct 10, 2026
CVE-2026-89301
rtMedia for WordPress, BuddyPress and bbPress <= 4.7.13 - Missing Authorization to Unauthenticated Limited File Read/Disclosure and Limited File Deletion via Sideload via 'files[tmp_name]' Parameter
7.5
CVSS
0.4%
EPSS
No
On KEV
Description
The rtMedia for WordPress, BuddyPress and bbPress plugin for WordPress is vulnerable to limited file deletion due to insufficient file path validation in the process function in all versions up to, and including, 4.7.13 This makes it possible for unauthenticated attackers to delete arbitrary safe files on the server.. The public nonce (rtmedia_upload_nonce) is emitted into frontend JavaScript on any page rendering the rtMedia gallery or upload shortcode, making it retrievable by unauthenticated visitors without any prior authentication or privileged action.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 37% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
RF
rtMedia for WordPress, BuddyPress and bbPress · rtcamp
through 4.7.13 · source: vendor
Affected product
RF
rtMedia for WordPress, BuddyPress and bbPress
rtcamp
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-89301
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-89301
www.wordfence.com
https://www.wordfence.com/threat-intel/vulnerabilities/id/ea679227-5ab3-408b-ae1b-340099880789?source=cve
plugins.trac.wordpress.org
https://plugins.trac.wordpress.org/browser/buddypress-media/tags/4.7.13/app/main/controllers/upload/processors/RTMediaUploadFile.php#L91
plugins.trac.wordpress.org
https://plugins.trac.wordpress.org/browser/buddypress-media/tags/4.7.13/app/main/controllers/upload/RTMediaUploadEndpoint.php#L85
plugins.trac.wordpress.org
https://plugins.trac.wordpress.org/browser/buddypress-media/tags/4.7.13/app/main/controllers/upload/RTMediaUploadModel.php#L49
plugins.trac.wordpress.org
https://plugins.trac.wordpress.org/browser/buddypress-media/tags/4.7.13/app/main/controllers/upload/processors/RTMediaUploadFile.php#L180
plugins.trac.wordpress.org
https://plugins.trac.wordpress.org/browser/buddypress-media/tags/4.7.13/app/main/controllers/upload/processors/RTMediaUploadFile.php#L253
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