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
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.
INFO
Published Date :
Oct. 10, 2026, 5:16 a.m.
Last Modified :
Oct. 13, 2026, 1:29 p.m.
Remotely Exploit :
Yes !
Source :
[email protected]
Affected Products
The following products are affected by CVE-2026-89301
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
No affected product recoded yet
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS | 134c704f-9b21-4f2e-91b3-4a467353bcc0 | |||||
| CVSS 3.1 | HIGH | MITRE-CVE | ||||
| CVSS 3.1 | HIGH | [email protected] |
Solution
- Update the rtMedia plugin to the latest version.
- Apply security patches for path validation.
- Remove unnecessary file deletion functionalities.
- Review file access controls.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-89301.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-89301 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-89301
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-89301 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-89301 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Oct. 11, 2026
Action Type Old Value New Value Added SSVC {'id': 'CVE-2026-89301', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'none'}, {'automatable': 'yes'}, {'technicalImpact': 'partial'}], 'version': '2.0.3', 'timestamp': '2026-10-11T16:41:23.834859Z'} -
New CVE Received by [email protected]
Oct. 10, 2026
Action Type Old Value New Value Added 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. Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N Added CWE CWE-862 Added Affected New affected value received. <a href="https://github.com/CVEProject/cvelistV5/blob/main/cves/2026/89xxx/CVE-2026-89301.json">CVE-2026-89301</a> Added Reference https://github.com/rtCamp/rtMedia/releases/tag/4.7.14 Added Reference https://plugins.trac.wordpress.org/browser/buddypress-media/tags/4.7.13/app/main/controllers/shortcodes/RTMediaGalleryShortcode.php#L151 Added Reference https://plugins.trac.wordpress.org/browser/buddypress-media/tags/4.7.13/app/main/controllers/upload/processors/RTMediaUploadFile.php#L180 Added Reference https://plugins.trac.wordpress.org/browser/buddypress-media/tags/4.7.13/app/main/controllers/upload/processors/RTMediaUploadFile.php#L253 Added Reference https://plugins.trac.wordpress.org/browser/buddypress-media/tags/4.7.13/app/main/controllers/upload/processors/RTMediaUploadFile.php#L91 Added Reference https://plugins.trac.wordpress.org/browser/buddypress-media/tags/4.7.13/app/main/controllers/upload/RTMediaUploadEndpoint.php#L85 Added Reference https://plugins.trac.wordpress.org/browser/buddypress-media/tags/4.7.13/app/main/controllers/upload/RTMediaUploadModel.php#L49 Added Reference https://plugins.trac.wordpress.org/browser/buddypress-media/tags/4.7.13/app/main/routers/RTMediaRouter.php#L120 Added Reference https://www.wordfence.com/threat-intel/vulnerabilities/id/ea679227-5ab3-408b-ae1b-340099880789?source=cve