WordPress WordPress Core Time-of-check Time-of-use (TOCTOU) Race Condition Vulnerability. Actively exploited: CISA added this vulnerability to its Known Exploited Vulnerabilities catalog on 03/11/2026. Patch affected systems as an emergency.
| Package | Affected versions | Patched versions |
|---|---|---|
| wordpress | ≥ 4.7, < 4.7.39≥ 4.8, < 4.8.34≥ 4.9, < 4.9.35≥ 5.0, < 5.0.31≥ 5.1, < 5.1.28≥ 5.2, < 5.2.30≥ 5.3, < 5.3.27≥ 5.4, < 5.4.25≥ 5.5, < 5.5.24≥ 5.6, < 5.6.23≥ 5.7, < 5.7.21≥ 5.8, < 5.8.19≥ 5.9, < 5.9.20≥ 6.0, < 6.0.18≥ 6.1, < 6.1.16≥ 6.2, < 6.2.15≥ 6.3, < 6.3.14≥ 6.4, < 6.4.14≥ 6.5, < 6.5.14≥ 6.6, < 6.6.11≥ 6.7, < 6.7.11≥ 6.8, < 6.8.12≥ 6.9, < 6.9.11≥ 7.0, < 7.0.8≥ 7.1, < 7.1.4 | 4.7.394.8.344.9.355.0.315.1.285.2.305.3.275.4.255.5.245.6.235.7.215.8.195.9.206.0.186.1.166.2.156.3.146.4.146.5.146.6.116.7.116.8.126.9.117.0.87.1.4 |
WordPress Core is vulnerable to Remote Code Execution in versions 4.7 through 7.1.3. This is due to predictable, web-accessible staging paths used during full-package core upgrades. This makes it possible for unauthenticated attackers to execute code on the server during the upgrade window.
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