CVE-2026-105977
Tenable Plugin
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AI Threat Summary
CVE-2026-105977 is a moderate vulnerability with a CVSS score of 2.2 affecting the target software. Threat hunters should monitor for exploit attempts and apply vendor patches immediately.
Description
The Portfolio Filter Gallery WordPress plugin before 2.2.1 does not perform a per-object authorization check before deleting an attachment, allowing users with the Contributor role and above to permanently delete certain media attachments belonging to other users, including administrators.
Attack Chain
Attacker scans for vulnerable versions using version banners or PoC scanners
Attacker triggers CVE-2026-105977 vulnerability with a crafted request or payload
Vulnerability exploited to perform unauthorized actions on the target system
Depending on vulnerability type, attacker achieves data access, service disruption, or code execution
MITRE ATT&CK Techniques
Indicators of Compromise
| Type | Value | Description | |
|---|---|---|---|
| user_agent | Mozilla/5.0 (compatible; exploit/1.0) |
Generic exploit scanner user agent pattern | |
| url | /api/vuln-endpoint?payload=<malicious> |
Exploit attempt against application endpoint — monitor access logs for anomalous params |
Remediation
Quick Facts
| CVE ID | CVE-2026-105977 |
| CVSS Score | 2.2 |
| Vector | CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:L/A:N |
| Published | 2026-10-10 |
| Exploited | No |
| CISA KEV | No |
| PoC | Not public |