# CVE-2026-65448 — AcyMailing Newsletter Team Anti Spam and list cleaner – AcyChecker > As of 2026-07-27, CVE-2026-65448 is a MEDIUM-severity vulnerability in AcyMailing Newsletter Team Anti Spam and list cleaner – AcyChecker, CVSS v3.1 6.5. No Threadlinqs-tracked threat campaign has been attributed to CVE-2026-65448 as of 2026-07-27; the identifier is re-checked against the Threadlinqs threat corpus on every daily ingest. **Last updated:** 2026-07-27 ## What is CVE-2026-65448? Unauthenticated Cross Site Scripting (XSS) in Anti Spam and list cleaner – AcyChecker <= 1.8.1 versions. The record classifies CVE-2026-65448 under weakness class [CWE-79](https://intel.threadlinqs.com/cwe/CWE-79). Its CVSS v3 base vector states that the flaw is reachable remotely over the network, needs low-privilege credentials, needs a user to take an action first. 1 affected-product entry is recorded, across 1 vendor, listed below. The identifier was first published 70 days ago. ## Severity and exploitation probability - **CVSS v3.1 base score:** 6.5 — MEDIUM (`CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L`) - **CISA KEV:** Not listed in the CISA Known Exploited Vulnerabilities catalog - **Threadlinqs priority:** 3.3/10 — a Threadlinqs composite of the CVSS base score, the EPSS percentile and public exploit availability - **Published:** 2026-07-27 ## Is CVE-2026-65448 being exploited? It currently carries a trending score of 30 in the Threadlinqs vulnerability feed. ## Affected products and versions - **AcyMailing Newsletter Team**: Anti Spam and list cleaner – AcyChecker ## How to fix CVE-2026-65448 No vendor patch reference has been recorded for CVE-2026-65448 in the tracked sources. Follow the references below for a fix, and treat the products listed above as exposed until the vendor states otherwise. ## Threat activity tracking CVE-2026-65448 No threat campaign in the Threadlinqs corpus currently references CVE-2026-65448, in its CVE list or as an indicator. The linkage is recomputed from the live corpus on every daily ingest, so this section fills in as soon as a tracked campaign cites the identifier. ## Sources Enriched from CVE.org, NVD. Last verified by Threadlinqs on 2026-07-28. This product uses the NVD API but is not endorsed or certified by the NVD. **Vulnerability database entry** - [patchstack.com — vdb entry](https://patchstack.com/database/wordpress/plugin/acychecker/vulnerability/wordpress-anti-spam-and-list-cleaner-acychecker-plugin-1-8-1-cross-site-scripting-xss-vulnerability?_s_id=cve) Canonical: https://intel.threadlinqs.com/cve/CVE-2026-65448 Full detection coverage and IOCs for threats exploiting CVE-2026-65448 via the Threadlinqs MCP server (Purple tier): https://intel.threadlinqs.com/mcp