CVE-2026-63030: WordPress Core Interpretation Conflict Vulnerability
- Is it exploited?
Yes. CISA added it to the Known Exploited Vulnerabilities catalog on 21 Jul 2026, 4 days after the CVE record was published.
- How likely is exploitation in the next 30 days?
- 10.6%
EPSS score, percentile 95.8 of all scored records
- How severe?
- 9.8 Critical
CVSS v3.1 base score, given by the CNA
- What should I do?
CISA deadline 24 Jul 2026. Apply mitigations in accordance with vendor instructions … Full text
- Which versions are affected?
Affected
- from 6.9.0 to before 6.9.5
- from 7.0.0 to before 7.0.2
Source: CISA Known Exploited Vulnerabilities (KEV) catalog, 2026.10.28, as of 28 Oct 2026; FIRST Exploit Prediction Scoring System (EPSS), v2026.06.15, as of 28 Oct 2026; CVE List V5 (CVE Program), cve_2026-10-28_0000Z, as of 28 Oct 2026. About the data.
What to do
Required action, set by CISA
Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.
CISA due date for this action: 24 July 2026.
Advisories and patches
Linked from CISA's catalog entry
- https://wordpress.org/news/2026/07/wordpress-7-0-2-release/
- https://www.cisa.gov/news-events/directives/bod-26-04-prioritizing-security-updates-based-risk
- https://www.cisa.gov/news-events/directives/bod-26-04-implementation-guidance-prioritizing-security-updates-based-risk
- https://nvd.nist.gov/vuln/detail/CVE-2026-63030
Affected products and versions
As listed in the CVE record.
| Status | Versions |
|---|---|
| Affected | from 6.9.0 to before 6.9.5 |
| Affected | from 7.0.0 to before 7.0.2 |
Versions not listed are: unaffected.
Source: CVE List V5 (CVE Program), cve_2026-10-28_0000Z, as of 28 Oct 2026. About the data.
About this vulnerability
WordPress Core contains an interpretation conflict vulnerability that could allow an attacker to perform SQL Injection and achieve Remote Code Execution. This vulnerability can be chained with CVE-2026-60137.
Summary: CISA's KEV catalog, as of 28 Oct 2026.
- CISA added CVE-2026-63030 to its Known Exploited Vulnerabilities (KEV) catalog on 21 Jul 2026.
- CISA's ransomware flag for this entry is "Unknown": no evidence of ransomware use in the catalog, which is not proof of none.
- The due date CISA sets for the required action is 24 Jul 2026.
- The CVE record was published on 17 Jul 2026, 4 days before it was added to KEV.
- The CVE record carries a CVSS v3.1 base score of 9.8 (Critical), given by its CNA.
- FIRST's EPSS model puts the probability of exploitation in the next 30 days at 10.6% (percentile 95.8), as of 28 Oct 2026.
- CISA's SSVC assessment in the CVE record: exploitation active, automatable yes, technical impact total.
Source: CISA Known Exploited Vulnerabilities (KEV) catalog, 2026.10.28, as of 28 Oct 2026; CVE List V5 (CVE Program), cve_2026-10-28_0000Z, as of 28 Oct 2026; FIRST Exploit Prediction Scoring System (EPSS), v2026.06.15, as of 28 Oct 2026. About the data.
Description
WordPress < 7.0.2 - REST API batch-route confusion and SQL injection issue leading to Remote Code Execution
WordPress 6.9.x before 6.9.5 and 7.0.x before 7.0.2 is affected by a REST API batch endpoint route confusion issue which, combined with the author__not_in WP_Query SQL Injection (CVE-2026-60137), could allow an attacker to perform SQL Injection and achieve Remote Code Execution.
Source: CVE List V5 (CVE Program), cve_2026-10-28_0000Z, as of 28 Oct 2026. About the data.
Weakness
- CWE-436: Interpretation Conflict
CWE and CAPEC are maintained by MITRE; the entries are those named in the CVE record and the KEV entry.
Timeline
| Date | Event |
|---|---|
| 17 Jul 2026 | CVE record published |
| 21 Jul 2026 | Added to CISA KEV |
| 24 Jul 2026 | CISA due date for the required action |
| 7 Oct 2026 | CVE record last updated |
References
More exploited WordPress vulnerabilities
- CVE-2026-87902: WordPress Core Remote File Inclusion Vulnerability
- CVE-2026-60137: WordPress Core SQL Injection Vulnerability
- CVE-2019-9978: WordPress Social Warfare Plugin Cross-Site Scripting (XSS) Vulnerability
- CVE-2020-11738: WordPress Snap Creek Duplicator Plugin File Download Vulnerability
- CVE-2020-25213: WordPress File Manager Plugin Remote Code Execution Vulnerability