Severity: HighAction: PatchExploitation: Exploited

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.

Excerpt from the primary source: BleepingComputer

Who is affected

Small businesses · Developers

Affected technology: WordPress

Why it matters

Source reporting says attackers are already exploiting this, so exposed WordPress systems are at immediate risk.

Automated: stated only from CISA listings and the exploitation evidence in the sources below.

What you should do · Patch

Apply the vendor's security update for WordPress. Check the linked advisory for affected and fixed versions, and put internet-facing systems first.

Automated guidance based on this story's classification. Check the linked advisories for specifics.

Sources

We link to original and authoritative sources. Headlines and excerpts belong to their publishers.

Original reporting

CISA flags WordPress RCE flaw as actively exploited in attacks BleepingComputer · bleepingcomputer.com · Nov 4, 2026 · Primary source
Severity: HighAction: PatchExploitation: ExploitedCISA KEV

WordPress WordPress Core Time-of-check Time-of-use (TOCTOU) Race Condition Vulnerability (CVE-2026-119977) is being actively exploited, CISA warns

CISA added CVE-2026-119977 (WordPress WordPress Core) to its Known Exploited Vulnerabilities catalog on November 3, 2026, which means there is reliable evidence of exploitation in the wild. WordPress WordPress Core contains a time-of-check time-of-use (TOCTOU) race condition vulnerability that could allow unauthenticated attackers to execute code on the server during the upgrade window. This is due to predictable…

Why it matters

CISA lists this as exploited in the wild. Unpatched WordPress and WordPress Core systems are exposed to active attacks now.

Patch

Apply the vendor's security update for WordPress and WordPress Core.