Information disclosure in WordPress
CVE-2021-29450
Wordpress is an open source CMS. One of the blocks in the WordPress editor can be exploited in a way that exposes password-protected posts and pages. This requires at least contributor privileges. This has been patched in WordPress 5.7.1, along with the older affected versions via minor releases. It's strongly recommended that you keep auto-updates enabled to receive the fix.
Vulnerability class: Information Disclosure
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.021 (80.9th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 81st percentile — 80.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.021 · newest: 0.021 · change: 0.000
Affected products
- WordPress
- WordPress Wordpress-Develop — versions >= 4.70,< 5.7.1
- Debian Linux — versions 9.0, 10.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- wordpress.org/news/category/security/ (Vendor Advisory)
- github.com/WordPress/wordpress-develop/security/advisories/GHSA-pmmh-2f36-wvhq (Third Party Advisory)
- lists.debian.org/debian-lts-announce/2021/04/msg00017.html (mailing-list, Mailing List, Third Party Advisory)
- www.debian.org/security/2021/dsa-4896 (vendor-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2021-29450?
- CVE-2021-29450 is a medium-severity vulnerability in WordPress, classified under Information Disclosure. CVSS score: 6.5/10. Published 2021-04-15.
- How severe is CVE-2021-29450?
- Medium severity. CVSS v3 base score is 6.5 out of 10.
- Is CVE-2021-29450 known to be exploited?
- 5 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.