{"id":"CVE-2021-32770","aliases":["EUVD-2021-1490","GHSA-rqjw-p5vr-c695"],"status":"published","title":"Basic-auth app bundle credential exposure in gatsby-source-wordpress","description":"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.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.01414,"percentile":0.7308,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-200","CWE-522"],"published":"2021-07-15T18:30:11Z","modified":"2026-10-21T10:45:06Z","fixes":[{"ecosystem":"npm","package":"gatsby-source-wordpress","fixed_in":["4.0.8","5.9.2"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"npm","package":"gatsby-source-wordpress","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.0.8"}]}]},{"source":"ghsa","ecosystem":"npm","package":"gatsby-source-wordpress","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"5.0.0"},{"fixed":"5.9.2"}]}]},{"source":"osv","ecosystem":"npm","package":"gatsby-source-wordpress","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"4.0.8"}]}]},{"source":"osv","ecosystem":"npm","package":"gatsby-source-wordpress","ranges":[{"type":"SEMVER","events":[{"introduced":"5.0.0"},{"fixed":"5.9.2"}]}]}],"products":[{"vendor":"gatsbyjs","product":"gatsby"},{"vendor":"gatsbyjs","product":"gatsby-source-wordpress"}],"references":[{"url":"https://github.com/gatsbyjs/gatsby/security/advisories/GHSA-rqjw-p5vr-c695","tags":["x_refsource_CONFIRM","x_transferred","Exploit","Third Party Advisory","evidence","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-32770","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-rqjw-p5vr-c695"}],"sources":{"cve":[{"id":"CVE-2021-32770","title":"Basic-auth app bundle credential exposure in gatsby-source-wordpress","description":"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.","status":"published","published":"2021-07-15T18:30:11Z","modified":"2024-08-03T23:33:56.071Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"cna"}],"cwes":["CWE-200"],"updated_at":"2026-11-02T14:33:06.658806Z"}],"euvd":[{"id":"EUVD-2021-1490","description":"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.","status":"published","published":"2021-07-15T18:30:11Z","modified":"2024-08-03T23:33:56Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high"}],"updated_at":"2026-11-03T03:24:35.30045Z"}],"ghsa":[{"id":"GHSA-rqjw-p5vr-c695","title":"Basic-auth app bundle credential exposure in gatsby-source-wordpress","description":"### Impact\nThe 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.\n\nExample affected gatsby-config.js:\n```\n      resolve: 'gatsby-source-wordpress',\n        auth: {\n          htaccess: {\n            username: leaked_username\n            password: leaked_password,\n          },\n        },\n```\n\n### Patches\nA 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`.\n\n\n### Workarounds\nThere is no known workaround at this time, other than manually editing the app.js file post-build.\n\n\n### For more information\nEmail us at [security@gatsbyjs.com](mailto:security@gatsbyjs.com)","status":"published","published":"2021-07-19T15:21:41Z","modified":"2023-02-01T05:06:10Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high"}],"cwes":["CWE-200","CWE-522"],"updated_at":"2026-11-02T14:36:37.441118Z"}],"nvd":[{"id":"CVE-2021-32770","description":"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.","status":"published","published":"2021-07-15T19:15:07.92Z","modified":"2026-06-17T03:53:35.677Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"secondary"},{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high","assessor":"primary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:P/I:N/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-200","CWE-522"],"updated_at":"2026-11-02T14:06:55.747384Z"}],"osv":[{"id":"CVE-2021-32770","description":"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.","status":"published","published":"2021-07-15T19:15:07.92Z","modified":"2026-10-21T10:45:06.81911703Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high"}],"updated_at":"2026-11-02T15:44:19.793849Z"},{"id":"GHSA-rqjw-p5vr-c695","title":"Basic-auth app bundle credential exposure in gatsby-source-wordpress","description":"### Impact\nThe 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.\n\nExample affected gatsby-config.js:\n```\n      resolve: 'gatsby-source-wordpress',\n        auth: {\n          htaccess: {\n            username: leaked_username\n            password: leaked_password,\n          },\n        },\n```\n\n### Patches\nA 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`.\n\n\n### Workarounds\nThere is no known workaround at this time, other than manually editing the app.js file post-build.\n\n\n### For more information\nEmail us at [security@gatsbyjs.com](mailto:security@gatsbyjs.com)","status":"published","published":"2021-07-19T15:21:41Z","modified":"2026-07-08T06:29:24.203273428Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","level":"high"}],"cwes":["CWE-200","CWE-522"],"updated_at":"2026-11-02T15:46:56.281047Z"}]}}