In affected versions of WordPress, a special payload can be crafted that can lead to scripts getting executed within the search block of the block editor. This requires an authenticated user with the ability to add content. This has been patched in version 5.4.1, along with all the previously affected versions via a minor release (5.3.3, 5.2.6, 5.1.5, 5.0.9, 4.9.14, 4.8.13, 4.7.17, 4.6.18, 4.5.21, 4.4.22, 4.3.23, 4.2.27, 4.1.30, 4.0.30, 3.9.31, 3.8.33, 3.7.33).
CVE-2020-11030
This medium-severity CVE scores 6.4 under NVD CVSS v3. EPSS exploit probability: 1.0%, top 22% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).
- Lower severity and no public exploit yet
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 6.4
- EG Score
- 6.4(medium)
- EPSS
- 70.0%
- KEV
- Not listed
Published
April 30, 2020
Last Modified
November 21, 2024
References (6)
- security-advisories@githubhttps://github.com/WordPress/wordpress-develop/security/advisories/GHSA-vccm-6gmc-qhjh
- security-advisories@githubhttps://wordpress.org/support/wordpress-version/version-5-4-1/#security-updates
- security-advisories@githubhttps://www.debian.org/security/2020/dsa-4677
- af854a3a-2127-422b-91ae-364da2661108https://github.com/WordPress/wordpress-develop/security/advisories/GHSA-vccm-6gmc-qhjh
- af854a3a-2127-422b-91ae-364da2661108https://wordpress.org/support/wordpress-version/version-5-4-1/#security-updates
- af854a3a-2127-422b-91ae-364da2661108https://www.debian.org/security/2020/dsa-4677
Weakness Classification(2)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 8× in last 7d / 47× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
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- 2026-05-25 09:46 UTCOSV refresh
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Frequently asked(5)
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