CVE-2026-119977 - Vulnerability Details

- WordPress Core 4.7.0 - 7.1.3 - Unauthenticated Upgrade-Window Staged-Installer Remote Code Execution

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.

Published: 2026-10-31

Score: 8.1 High

EPSS: 1.0% Low

KEV: Yes

Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

WordPress Foundation

WordPress

unaffected

Version	Status	Constraints
`4.7.0`	affected	≤ 4.7.38
`4.8.0`	affected	≤ 4.8.33
`4.9.0`	affected	≤ 4.9.34
`5.0.0`	affected	≤ 5.0.30
`5.1.0`	affected	≤ 5.1.27
`5.2.0`	affected	≤ 5.2.29
`5.3.0`	affected	≤ 5.3.26
`5.4.0`	affected	≤ 5.4.24
`5.5.0`	affected	≤ 5.5.23
`5.6.0`	affected	≤ 5.6.22
`5.7.0`	affected	≤ 5.7.20
`5.8.0`	affected	≤ 5.8.18
`5.9.0`	affected	≤ 5.9.19
`6.0.0`	affected	≤ 6.0.17
`6.1.0`	affected	≤ 6.1.15
`6.2.0`	affected	≤ 6.2.14
`6.3.0`	affected	≤ 6.3.13
`6.4.0`	affected	≤ 6.4.13
`6.5.0`	affected	≤ 6.5.13
`6.6.0`	affected	≤ 6.6.10
`6.7.0`	affected	≤ 6.7.10
`6.8.0`	affected	≤ 6.8.11
`6.9.0`	affected	≤ 6.9.10
`7.0.0`	affected	≤ 7.0.7
`7.1.0`	affected	≤ 7.1.3

Configuration 1 [-]

OR	cpe:2.3:a:wordpress:wordpress::::::::
	cpe:2.3:a:wordpress:wordpress::::::::
	cpe:2.3:a:wordpress:wordpress::::::::
	cpe:2.3:a:wordpress:wordpress::::::::
	cpe:2.3:a:wordpress:wordpress::::::::
	cpe:2.3:a:wordpress:wordpress::::::::
	cpe:2.3:a:wordpress:wordpress::::::::
	cpe:2.3:a:wordpress:wordpress::::::::
	cpe:2.3:a:wordpress:wordpress::::::::
	cpe:2.3:a:wordpress:wordpress::::::::
	cpe:2.3:a:wordpress:wordpress::::::::
	cpe:2.3:a:wordpress:wordpress::::::::
	cpe:2.3:a:wordpress:wordpress::::::::
	cpe:2.3:a:wordpress:wordpress::::::::
	cpe:2.3:a:wordpress:wordpress::::::::
	cpe:2.3:a:wordpress:wordpress::::::::
	cpe:2.3:a:wordpress:wordpress::::::::
	cpe:2.3:a:wordpress:wordpress::::::::
	cpe:2.3:a:wordpress:wordpress::::::::
	cpe:2.3:a:wordpress:wordpress::::::::
	cpe:2.3:a:wordpress:wordpress::::::::
	cpe:2.3:a:wordpress:wordpress::::::::
	cpe:2.3:a:wordpress:wordpress::::::::
	cpe:2.3:a:wordpress:wordpress::::::::
	cpe:2.3:a:wordpress:wordpress::::::::

No data.

Vendor Product Confidence Versions

Wordpress Foundation

Wordpress

100%

Version	Status	Scheme	Platform
`[4.7.0,4.7.38]`	affected	semver	—
`[4.8.0,4.8.33]`	affected	semver	—
`[4.9.0,4.9.34]`	affected	semver	—
`[5.0.0,5.0.30]`	affected	semver	—
`[5.1.0,5.1.27]`	affected	semver	—
`[5.2.0,5.2.29]`	affected	semver	—
`[5.3.0,5.3.26]`	affected	semver	—
`[5.4.0,5.4.24]`	affected	semver	—
`[5.5.0,5.5.23]`	affected	semver	—
`[5.6.0,5.6.22]`	affected	semver	—
`[5.7.0,5.7.20]`	affected	semver	—
`[5.8.0,5.8.18]`	affected	semver	—
`[5.9.0,5.9.19]`	affected	semver	—
`[6.0.0,6.0.17]`	affected	semver	—
`[6.1.0,6.1.15]`	affected	semver	—
`[6.2.0,6.2.14]`	affected	semver	—
`[6.3.0,6.3.13]`	affected	semver	—
`[6.4.0,6.4.13]`	affected	semver	—
`[6.5.0,6.5.13]`	affected	semver	—
`[6.6.0,6.6.10]`	affected	semver	—
`[6.7.0,6.7.10]`	affected	semver	—
`[6.8.0,6.8.11]`	affected	semver	—
`[6.9.0,6.9.10]`	affected	semver	—
`[7.0.0,7.0.7]`	affected	semver	—
`[7.1.0,7.1.3]`	affected	semver	—

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Remediation

No solution or workaround provided in the CVE record.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

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Advisories

No advisories yet.

No CVSS v4.0

Attack Vector Network

Attack Complexity High

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is in the KEV database since yesterday.

The EPSS score is 0.0102.

Exploitation active

Automatable no

Technical Impact total

References

Link	Providers
https://core.trac.wordpress.org/browser/tags/7.1.3/src/wp-admin/includes/class-core-upgrader.php#L162
https://core.trac.wordpress.org/browser/tags/7.1.3/src/wp-admin/includes/class-wp-upgrader.php#L378
https://core.trac.wordpress.org/browser/tags/7.1.3/src/wp-admin/includes/update-core.php#L1549
https://core.trac.wordpress.org/browser/tags/7.1.3/src/wp-admin/setup-config.php#L282
https://core.trac.wordpress.org/browser/tags/7.1.4/src/wp-admin/includes/class-wp-upgrader.php#L346
https://core.trac.wordpress.org/browser/tags/7.1.4/src/wp-admin/includes/update-core.php#L1545
https://nvd.nist.gov/vuln/detail/CVE-2026-119977
https://wordpress.org/news/2026/10/wordpress-7-1-4/
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-119977
https://www.cve.org/CVERecord?id=CVE-2026-119977
https://www.wordfence.com/threat-intel/vulnerabilities/id/4b4da0cf-d9f4-47c4-a0e8-6c4dc5a6f250?source=cve
https://www.wordfence.com/threat-intel/vulnerabilities/wordpress-core/wordpress-core-470-713-unauthenticated-upgrade-window-staged-installer-remote-code-execution

History

Wed, 04 Nov 2026 13:00:00 +0000

Type	Values Removed	Values Added
First Time appeared		Wordpress Wordpress wordpress
CPEs		cpe:2.3:a:wordpress:wordpress::::::::
Vendors & Products		Wordpress Wordpress wordpress

Tue, 03 Nov 2026 22:30:00 +0000

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'active', 'Technical Impact': 'total'}, 'version': '2.0.3'}`

Tue, 03 Nov 2026 21:30:00 +0000

Type	Values Removed	Values Added
References		https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2026-119977 https://www.wordfence.com/threat-intel/vulnerabilities/wordpress-core/wordpress-core-470-713-unauthenticated-upgrade-window-staged-installer-remote-code-execution

Tue, 03 Nov 2026 20:30:00 +0000

Type	Values Removed	Values Added
Metrics		kev `{'dateAdded': '2026-11-03T00:00:00+00:00', 'dueDate': '2026-11-06T00:00:00+00:00'}`

Tue, 03 Nov 2026 17:00:00 +0000

Type	Values Removed	Values Added
First Time appeared		Wordpress Foundation Wordpress Foundation wordpress
Vendors & Products		Wordpress Foundation Wordpress Foundation wordpress

Mon, 02 Nov 2026 12:30:00 +0000

Type	Values Removed	Values Added
Weaknesses		CWE-552
References		https://nvd.nist.gov/vuln/detail/CVE-2026-119977 https://www.cve.org/CVERecord?id=CVE-2026-119977
Metrics	threat_severity `None`	threat_severity `Important`

Sat, 31 Oct 2026 05:45:00 +0000

Type	Values Removed	Values Added
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.
Title		WordPress Core 4.7.0 - 7.1.3 - Unauthenticated Upgrade-Window Staged-Installer Remote Code Execution
Weaknesses		CWE-367
References		https://core.trac.wordpress.org/browser/tags/7.1.3/src/wp-admin/includes/class-core-upgrader.php#L162 https://core.trac.wordpress.org/browser/tags/7.1.3/src/wp-admin/includes/class-wp-upgrader.php#L378 https://core.trac.wordpress.org/browser/tags/7.1.3/src/wp-admin/includes/update-core.php#L1549 https://core.trac.wordpress.org/browser/tags/7.1.3/src/wp-admin/setup-config.php#L282 https://core.trac.wordpress.org/browser/tags/7.1.4/src/wp-admin/includes/class-wp-upgrader.php#L346 https://core.trac.wordpress.org/browser/tags/7.1.4/src/wp-admin/includes/update-core.php#L1545 https://wordpress.org/news/2026/10/wordpress-7-1-4/ https://www.wordfence.com/threat-intel/vulnerabilities/id/4b4da0cf-d9f4-47c4-a0e8-6c4dc5a6f250?source=cve
Metrics		cvssV3_1 `{'score': 8.1, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H'}`

Subscriptions

Wordpress Wordpress

Wordpress Foundation Wordpress

MITRE

Status: PUBLISHED

Assigner: Wordfence

Published: 2026-10-31T05:33:07.059Z

Updated: 2026-11-04T04:56:31.158Z

Reserved: 2026-10-30T17:17:35.145Z

Link: CVE-2026-119977

Vulnrichment

Updated: 2026-11-03T17:48:54.520Z

NVD

Status : Analyzed

Published: 2026-10-31T06:16:34.550

Modified: 2026-11-04T12:52:38.683

Link: CVE-2026-119977

Redhat

Severity : Important

Publid Date: 2026-10-31T05:33:07Z

Links: CVE-2026-119977 - Bugzilla

OpenCVE Enrichment

Updated: 2026-11-03T22:00:05Z

Weaknesses

Tracking

Attack Vector Network

Attack Complexity High

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

Exploitation active

Automatable no

Technical Impact total

Subscriptions

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