XSS in Wordpress Wordpress-develop
CVE-2020-4047
In affected versions of WordPress, authenticated users with upload permissions (like authors) are able to inject JavaScript into some media file attachment pages in a certain way. This can lead to script execution in the context of a highe…
EPSS: 0.056 (90.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.8 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:N/I:H/A:N.
Affected products
- Wordpress Wordpress-develop — versions >= 5.4.0, < 5.4.2, >= 5.3.0, < 5.3.4, >= 5.2.0, < 5.2.7
Weakness classification (CWE)
Public proof-of-concept exploits
References
- wordpress.org/news/2020/06/wordpress-5-4-2-security-and-maintenance-release/ (x_refsource_MISC)
- github.com/WordPress/wordpress-develop/security/advisories/GHSA-8q2w-5m27-wm27 (x_refsource_CONFIRM)
- github.com/WordPress/wordpress-develop/commit/0977c0d6b241479ecedfe19e96be69f72… (x_refsource_MISC)
- FEDORA-2020-8447a3e195 (vendor-advisory, x_refsource_FEDORA)
- FEDORA-2020-bbedd29391 (vendor-advisory, x_refsource_FEDORA)
- DSA-4709 (vendor-advisory, x_refsource_DEBIAN)
- [debian-lts-announce] 20200701 [SECURITY] [DLA 2269-1] wordpress security update (mailing-list, x_refsource_MLIST)
- [debian-lts-announce] 20200911 [SECURITY] [DLA 2371-1] wordpress security update (mailing-list, x_refsource_MLIST)
Frequently asked questions
- What is CVE-2020-4047?
- CVE-2020-4047 is a medium-severity vulnerability in Wordpress Wordpress-develop, classified under Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS). CVSS score: 6.8/10. Published 2020-06-12.
- How severe is CVE-2020-4047?
- Medium severity. CVSS v3 base score is 6.8 out of 10.
- Is CVE-2020-4047 known to be exploited?
- 6 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.