CISA Confirms Hackers Exploiting WordPress Core Flaw During Software Upgrades

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) has added a security flaw in WordPress Core to the Known Exploited Vulnerabilities (KEV) catalog, citing evidence of active exploitation.

The high-severity vulnerability, tracked as CVE-2026-119977 (CVSS score: 8.1), is a case of Time-of-check Time-of-use (TOCTOU) race condition that could be exploited to achieve arbitrary code

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Source published: 04 Nov 2026, 11:13 AM IST. Source facts take precedence over AI interpretation.