Covered by 2 outlets — first reported by The Hacker News, Nov 4, 05:43 UTC
CISA Confirms Hackers Exploiting WordPress Core Flaw During Software Upgrades
MentionsWordPress
In brief
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
From The Hacker News's coverage.
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2 outlets, in the order they reported it.
The Hacker NewsFirst report
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.
BleepingComputer
CISA flags WordPress RCE flaw as actively exploited in attacks
The US Cybersecurity and Infrastructure Security Agency (CISA) warned federal agencies that attackers have started exploiting a recently patched high-severity WordPress vulnerability in the wild.
Explained
The technology and terms in this story. Learn more
- ConceptKEV · Known Exploited Vulnerabilities catalogCISA's list of vulnerabilities with evidence of real-world exploitation.
- ConceptCVSS · Common Vulnerability Scoring SystemA 0–10 score for how severe a vulnerability is in theory.
- AttackRemote code execution · RCEA flaw that lets an attacker run their own code on someone else's machine over the network.
- ConceptCISA · Cybersecurity and Infrastructure Security AgencyThe US government's cybersecurity agency, which issues alerts and runs the KEV catalog.
Why it was possible
The weaknesses behind this story's CVEs, from each CVE Record.