High
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
Type: advisorySources: OSV
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.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2026-89301
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 7 Nov 2026, 01:37 UTC · Revision 1
Source evidence
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
core-osv · Original sourcePublished 10 Oct 2026, 04:26 UTC
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.
osv:CVE-2026-89301
Complete source record
{
"id": "b37a47ff6c6960c3f85ed7874e24c06b4bcabcb6f7ff8f3d23fc9eeacdd918df",
"url": "https://osv.dev/vulnerability/CVE-2026-89301",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "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",
"summary": "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.",
"evidence": "osv:CVE-2026-89301",
"products": [],
"severity": "high",
"structured": {
"id": "CVE-2026-89301",
"aliases": [
"CVE-2026-89301"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/rtcamp/rtmedia",
"type": "GIT",
"events": [
{
"introduced": "0"
},
{
"fixed": "26b7a2a462f72860cea1d6a45f56d2417f14af37"
}
],
"database_specific": {
"extracted_events": [
{
"range": [
{
"introduced": "0"
},
{
"last_affected": "4.7.13"
}
],
"source": "AFFECTED_FIELD",
"strategy": "StandardRange"
},
{
"range": [
{
"fixed": "26b7a2a462f72860cea1d6a45f56d2417f14af37"
}
],
"source": "REFERENCES_TAG",
"original_tag": "4.7.14"
}
]
}
}
],
"versions": [
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"4.7.12",
"4.7.11",
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"4.5.7",
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"4.1.3",
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"3.10.6",
"4.0.4",
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"4.0",
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"3.9",
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"3.8.14",
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"3.8.7",
"3.8.6",
"3.8.5",
"3.8.4",
"3.8.3",
"3.8.1",
"3.8",
"v3.8-beta-3",
"3.8-beta-2",
"v3.8-beta",
"3.7.31",
"3.7.29",
"3.7.28",
"3.7.27",
"3.7.26",
"3.7.23",
"3.7.22",
"3.7.21",
"3.7.16",
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"3.7.12",
"3.7.10",
"3.6.13",
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"3.6.7",
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"3.4.2",
"v3.4.2",
"3.2.3",
"3.2.2",
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"2.13.2",
"2.13.1",
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"2.6",
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"2.1.4",
"2.1.3",
"2.1.2",
"2.1.1",
"2.1",
"2.0.3"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-89301.json"
}
}
],
"modified": "2026-10-28T02:30:48.878457358Z",
"provider": "osv",
"references": [
"https://github.com/rtCamp/rtMedia/releases/tag/4.7.14",
"https://plugins.trac.wordpress.org/browser/buddypress-media/tags/4.7.13/app/main/controllers/shortcodes/RTMediaGalleryShortcode.php#L151",
"https://plugins.trac.wordpress.org/browser/buddypress-media/tags/4.7.13/app/main/controllers/upload/RTMediaUploadEndpoint.php#L85",
"https://plugins.trac.wordpress.org/browser/buddypress-media/tags/4.7.13/app/main/controllers/upload/RTMediaUploadModel.php#L49",
"https://plugins.trac.wordpress.org/browser/buddypress-media/tags/4.7.13/app/main/controllers/upload/processors/RTMediaUploadFile.php#L180",
"https://plugins.trac.wordpress.org/browser/buddypress-media/tags/4.7.13/app/main/controllers/upload/processors/RTMediaUploadFile.php#L253",
"https://plugins.trac.wordpress.org/browser/buddypress-media/tags/4.7.13/app/main/controllers/upload/processors/RTMediaUploadFile.php#L91",
"https://plugins.trac.wordpress.org/browser/buddypress-media/tags/4.7.13/app/main/routers/RTMediaRouter.php#L120",
"https://www.wordfence.com/threat-intel/vulnerabilities/id/ea679227-5ab3-408b-ae1b-340099880789?source=cve",
"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/89xxx/CVE-2026-89301.json",
"https://nvd.nist.gov/vuln/detail/CVE-2026-89301"
],
"provider_metadata": {
"cwe_ids": [
"CWE-862"
],
"cna_assigner": "Wordfence",
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/89xxx/CVE-2026-89301.json"
}
},
"related_cves": [
{
"value": "CVE-2026-89301",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 517039,
"published_at": "2026-10-10T04:26:49.111+00:00"
}