Information disclosure in Gatsbyjs Gatsby
CVE-2021-32770
Gatsby is a framework for building websites. The gatsby-source-wordpress plugin prior to versions 4.0.8 and 5.9.2 leaks .htaccess HTTP Basic Authentication variables into the app.js bundle during build-time. Users who are not initializing basic authentication credentials in the gatsby-config.js are not affected. A patch has been introduced in gatsby-source-wordpress@4.0.8 and gatsby-source-wordpress@5.9.2 which mitigates the issue by filtering all variables specified in the `auth: { }` section. Users that depend on this functionality are advised to upgrade to the latest release of gatsby-source-wordpress, run `gatsby clean` followed by a `gatsby build`. One may manually edit the app.js file post-build as a workaround.
Vulnerability class: Information Disclosure
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.014 (71.7th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 72nd percentile — 71.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.014 · newest: 0.014 · change: 0.000
Affected products
- Gatsbyjs Gatsby — versions < 4.0.8, >= 5.0.0, < 5.9.2
- Gatsbyjs Gatsby-Source-Wordpress
Weakness classification (CWE)
References
- github.com/gatsbyjs/gatsby/security/advisories/GHSA-rqjw-p5vr-c695 (Exploit, Third Party Advisory)
Frequently asked questions
- What is CVE-2021-32770?
- CVE-2021-32770 is a high-severity vulnerability in Gatsbyjs Gatsby, classified under Information Disclosure. CVSS score: 7.5/10. Published 2021-07-15.
- How severe is CVE-2021-32770?
- High severity. CVSS v3 base score is 7.5 out of 10.