Threat intelligence

Table Of Contents Block <= 1.5.0 - Authenticated (Contributor+) Stored Cross-Site Scripting

CVE-2026-66645 · table-of-contents-block

Important: Seeing this vulnerability listed does not mean your website is affected. Exposure depends on whether you run Table Of Contents Block at a vulnerable version. How SiteRespond intelligence works

Vulnerability: Table Of Contents Block <= 1.5.0 - Authenticated (Contributor+) Stored Cross-Site Scripting
Affected software: table-of-contents-block(Plugin)
Affected versions: ≤ 1.5.0
Authentication: Authenticated (see advisory title)
Vulnerability type: Cross-site scripting
CVE: CVE-2026-66645
Published: 18 August 2026
CISA KEV: Not listed in CISA KEV at last catalog refresh
Impact: May allow attackers to run scripts in visitors' browsers or hijack admin sessions.
Source: Data imported from Wordfence Intelligence (advisory 49053035-5c39-430f-8b4c-b6fae3dcc502). Methodology and redistribution notes

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