Vulnerability in WordPress (August 13, 2026)
A vulnerability has been discovered in WordPress. It allows an attacker to cause arbitrary remote code execution.
CSIRTS triage
- What
- A vulnerability in WordPress allows arbitrary remote code execution.
- Who is affected
- WordPress installations running affected versions (unspecified).
- Urgency
- High; remote code execution is exploitable and poses immediate risk.
- Action
- Apply available WordPress security updates for CVE-2026-65640.
AI-assisted analysis generated from the source advisory — verify against the original.
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Details
Original advisory: https://www.cert.ssi.gouv.fr/avis/CERTFR-2026-AVI-1018/
Exploitation outlook
EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.
- Low exploitation riskCVE-2026-656400.88% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 56% of all EPSS-scored CVEs.
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2026-65640 | coverage & exploitation status | NVD · CVE.org |
Same CVEs, other sources
How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.
Recent advisories for WordPress
A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.
- highCVE-2026-74932: The WP Fastest Cache WordPress plugin before 1.5.1 does not validate the Host header before us…nvd · 2026-08-25
- mediumCVE-2026-78468: The FluentCRM Pro – Email Newsletter, Automation, Email Marketing, Email Campaigns, Optins, Le…nvd · 2026-08-25
- mediumCVE-2026-77824: The Media Sweep – WordPress Media Cleaner plugin for WordPress is vulnerable to generic SQL In…nvd · 2026-08-25
- highCVE-2026-75971: The ShopEngine Elementor WooCommerce Builder Addon – All in One WooCommerce Solution plugin fo…nvd · 2026-08-25
- mediumCVE-2026-75908: The Newsletters plugin for WordPress is vulnerable to authorization bypass in all versions up …nvd · 2026-08-25
- highCVE-2026-19949: The All-in-One WP Migration and Backup plugin for WordPress is vulnerable to SQL Injection via…nvd · 2026-08-25
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