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CVE-2021-32770

24
FAUCET Score

CVE-2021-32770 describes a vulnerability in the gatsby-source-wordpress plugin, affecting versions prior to 4.0.8 and 5.9.2, where HTTP Basic Authentication variables from .htaccess files are inadvertently leaked into the app.js bundle during the build process. This vulnerability is rated as High severity (CVSS 7.5), indicating it can be exploited over a network with low complexity to achieve high confidentiality impact by exposing sensitive authentication credentials. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 4.0.8CPE matchmatch criteria
cpe:2.3:a:gatsbyjs:gatsby-source-wordpress:*:*:*:*:*:node.js:*:*
>= 5.0.0, < 5.9.2CPE matchmatch criteria
cpe:2.3:a:gatsbyjs:gatsby-source-wordpress:*:*:*:*:*:node.js:*:*

CVSS Data

CVSS version used by this source: 3.1

7.5HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.41%
Probability of exploitation in next 30 days
EPSS Percentile
69.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0141 is in the 51st percentile among its peer group of 51,506 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

npmpatch availablevia ghsa
Product: gatsby-source-wordpressFixed in: 4.0.8
npmpatch availablevia ghsa
Product: gatsby-source-wordpressFixed in: 5.9.2

Vendor Advisories (1)

npmGHSA-rqjw-p5vr-c695high

Basic-auth app bundle credential exposure in gatsby-source-wordpress

Jul 19, 2021

References

github.com / gatsbyjs/gatsby/security/advisories/GHSA-rqjw-p5vr-c695
ExploitThird Party Advisory