In affected versions of WordPress, users with low privileges (like contributors and authors) can use the embed block in a certain way to inject unfiltered HTML in the block editor. When affected posts are viewed by a higher privileged user, this could lead to script execution in the editor/wp-admin. This has been patched in version 5.4.2, along with all the previously affected versions via a minor release (5.3.4, 5.2.7, 5.1.6, 5.0.10, 4.9.15, 4.8.14, 4.7.18, 4.6.19, 4.5.22, 4.4.23, 4.3.24, 4.2.28, 4.1.31, 4.0.31, 3.9.32, 3.8.34, 3.7.34).
This vulnerability carries a MEDIUM severity rating with a CVSS v3.1 score of 5.4, indicating it can be exploited remotely over the network with relatively low complexity though user interaction is required requiring only low-level privileges . The vulnerability impacts limited data confidentiality, limited integrity, for affected systems. Impacting 3 products from wordpress, from debian, from fedoraproject organizations running these solutions should prioritize assessment and patching.
Reported in 2020, this vulnerability emerged during an era marked by increased sophistication in supply chain attacks, cloud infrastructure vulnerabilities, and software-as-a-service (SaaS) security challenges. Security practices during this period emphasized zero-trust architectures, container security, and API protection.
2020-06-12T16:15:10.450
2024-11-21T05:32:12.983
Modified
CVSSv3.1: 5.4 (MEDIUM)
AV:N/AC:M/Au:S/C:N/I:P/A:N
6.8
2.9
| Type | Vendor | Product | Version/Range | Vulnerable? |
|---|---|---|---|---|
| Application | wordpress | wordpress | < 3.7.34 | Yes |
| Application | wordpress | wordpress | < 3.8.34 | Yes |
| Application | wordpress | wordpress | < 3.9.32 | Yes |
| Application | wordpress | wordpress | < 4.0.31 | Yes |
| Application | wordpress | wordpress | < 4.1.31 | Yes |
| Application | wordpress | wordpress | < 4.2.28 | Yes |
| Application | wordpress | wordpress | < 4.3.24 | Yes |
| Application | wordpress | wordpress | < 4.4.23 | Yes |
| Application | wordpress | wordpress | < 4.5.22 | Yes |
| Application | wordpress | wordpress | < 4.6.19 | Yes |
| Application | wordpress | wordpress | < 4.7.18 | Yes |
| Application | wordpress | wordpress | < 4.8.14 | Yes |
| Application | wordpress | wordpress | < 4.9.15 | Yes |
| Application | wordpress | wordpress | < 5.0.10 | Yes |
| Application | wordpress | wordpress | < 5.1.6 | Yes |
| Application | wordpress | wordpress | < 5.2.7 | Yes |
| Application | wordpress | wordpress | < 5.3.4 | Yes |
| Application | wordpress | wordpress | < 5.4.2 | Yes |
| Operating System | debian | debian_linux | 8.0 | Yes |
| Operating System | debian | debian_linux | 9.0 | Yes |
| Operating System | fedoraproject | fedora | 31 | Yes |
| Operating System | fedoraproject | fedora | 32 | Yes |
SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For wordpress's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.