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CVE-2026-119977— WordPress Core 4.7.0 - 7.1.3 - Unauthenticated Upgrade-Window Staged-Installer Remote Code Execution

Quick assessment

Affected
WordPress Foundation WordPress
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

WordPress 核心在 4.7 至 7.1.3 版本中存在远程代码执行（RCE）漏洞。该漏洞源于在全包核心升级过程中使用了可预测且可通过网络访问的临时（staging）路径，导致未认证的攻击者能够在升级窗口期内在服务器上执行任意代码。

CVSS 8.1 · High EPSS 0.60% · P49

Affected Version Matrix 25

VendorProduct Version RangeStatus
WordPress Foundation WordPress 4.7.0≤ 4.7.38 affected
4.8.0≤ 4.8.33 affected
4.9.0≤ 4.9.34 affected
5.0.0≤ 5.0.30 affected
5.1.0≤ 5.1.27 affected
5.2.0≤ 5.2.29 affected
5.3.0≤ 5.3.26 affected
5.4.0≤ 5.4.24 affected
… +17 more rows
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I. Basic Information for CVE-2026-119977

Vulnerability Information
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Vulnerability Title
WordPress Core 4.7.0 - 7.1.3 - Unauthenticated Upgrade-Window Staged-Installer Remote Code Execution
Source: CVE Program / CVE List V5
Vulnerability Description
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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
检查时间与使用时间(TOCTOU)的竞争条件
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
WordPress Foundation WordPress 4.7.0 ~ 4.7.38 -

II. Public POCs for CVE-2026-119977

# POC Description Source Link Shenlong Link
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default-local-qwen3.6 · 14087 chars
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III. Intelligence Information for CVE-2026-119977

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Other References for CVE-2026-119977 (7)

IV. Related Vulnerabilities

Same product: WordPress
Same vendor: WordPress Foundation
Same weakness: CWE-367