CVE-2026-119977: WordPress Core 4.7.0 - 7.1.3 - Unauthenticated Upgrade-Window Staged-Installer Remote Code Execution
- Is it exploited?
Reported, not confirmed by CISA. VulnCheck KEV lists it as exploited in the wild. CISA has not added it to its Known Exploited Vulnerabilities catalog as of .
VulnCheck KEV lists it since . It cites 1 public report, the first from .
- How likely is exploitation in the next 30 days?
- 0.6%
EPSS score, percentile 48.7 of all scored records. A probability estimated by FIRST, not a report of exploitation.
- How severe?
- 8.1 High
CVSS v3.1 base score, given by the CNA
- What should I do?
CISA has set no required action, because the vulnerability is not in KEV.
The CVE record links no vendor advisory, patch or mitigation.
- Which versions are affected?
Affected
- 4.7.0 through 4.7.38
- 4.8.0 through 4.8.33
- 4.9.0 through 4.9.34
- 5.0.0 through 5.0.30
- 5.1.0 through 5.1.27
- 5.2.0 through 5.2.29
and 6 more in the table below
Source: CISA KEV 2026.10.30, as of ; VulnCheck KEV, as of ; FIRST EPSS, as of ; CVE List, as of . About the data.
Description
WordPress Core 4.7.0 - 7.1.3 - Unauthenticated Upgrade-Window Staged-Installer Remote Code Execution
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 List, as of . About the data.
What to do
Advisories and patches
The CVE record links no vendor advisory, patch or mitigation.
This summary is based on the CVE record as of . Check the vendor's advisory before you act: affected versions and fixes can change.
Affected products and versions
Versions by product, as listed in the CVE record (1 product)
| Status | Versions |
|---|---|
| Affected | 4.7.0 through 4.7.38 |
| Affected | 4.8.0 through 4.8.33 |
| Affected | 4.9.0 through 4.9.34 |
| Affected | 5.0.0 through 5.0.30 |
| Affected | 5.1.0 through 5.1.27 |
| Affected | 5.2.0 through 5.2.29 |
| Affected | 5.3.0 through 5.3.26 |
| Affected | 5.4.0 through 5.4.24 |
| Affected | 5.5.0 through 5.5.23 |
| Affected | 5.6.0 through 5.6.22 |
| Affected | 5.7.0 through 5.7.20 |
| Affected | 5.8.0 through 5.8.18 |
Versions not listed are: unaffected.
And 13 more version entries in the CVE record.
Source: CVE List, as of . About the data.
Weakness
CWE-367
- CWE-367: Time-of-check Time-of-use (TOCTOU) Race Condition
CWE and CAPEC are maintained by MITRE; the entries are those named in the CVE record.
Timeline
| Date | Event |
|---|---|
| CVE record published |