{"schema_version":"1.7.3","id":"GHSA-xh32-cx6c-cp4v","published":"2025-06-26T16:54:01Z","modified":"2025-07-30T17:45:37Z","aliases":["CVE-2025-47943","GO-2025-3778"],"related":["CVE-2025-47943"],"summary":"Gogs XSS allowed by stored call in PDF renderer","details":"### Summary\n\nA stored XSS is present in Gogs which allows client-side Javascript code execution.\n\n### Details\n\nGogs Version:\n```\ndocker images\nREPOSITORY   TAG       IMAGE ID       CREATED        SIZE\ngogs/gogs    latest    fe92583bc4fe   10 hours ago   99.3MB\n```\n\nApplication version: `0.14.0+dev`\n\nLocal setup using:\n```bash\n# Pull image from Docker Hub.\ndocker pull gogs/gogs\n\n# Create local directory for volume.\nsudo mkdir -p /var/gogs\n\n# Use `docker run` for the first time.\ndocker run --name=gogs -p 10022:22 -p 10880:3000 -v /var/gogs:/data gogs/gogs\n```\n\nThe vulnerability is caused by the usage of a vulnerable and outdated component: `pdfjs-1.4.20` under public/plugins/.  \nRead more about this vulnerability at [codeanlabs - CVE-2024-4367](https://codeanlabs.com/blog/research/cve-2024-4367-arbitrary-js-execution-in-pdf-js/).\n\n### PoC\n\n1. Upload the Proof of Concept file hosted at https://codeanlabs.com/wp-content/uploads/2024/05/poc_generalized_CVE-2024-4367.pdf in a repository.\n2. Click on the file to be previewed.\n\n![poc](https://github.com/user-attachments/assets/5af1303e-8751-49c8-af2e-d0631dd18957)\n\n\n### Credits\n\nEdoardo Ottavianelli","affected":[{"package":{"name":"github.com/gogs/gogs","ecosystem":"Go","purl":"pkg:golang/github.com/gogs/gogs"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"0.13.3-0.20250608224432-110117b2e5e5"}]}],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2025/06/GHSA-xh32-cx6c-cp4v/GHSA-xh32-cx6c-cp4v.json"}},{"package":{"name":"gogs.io/gogs","ecosystem":"Go","purl":"pkg:golang/gogs.io/gogs"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"0.13.3-0.20250608224432-110117b2e5e5"}]}],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2025/06/GHSA-xh32-cx6c-cp4v/GHSA-xh32-cx6c-cp4v.json"}}],"references":[{"type":"WEB","url":"https://github.com/gogs/gogs/security/advisories/GHSA-xh32-cx6c-cp4v"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-47943"},{"type":"WEB","url":"https://github.com/gogs/gogs/commit/110117b2e5e5baa4809c819bec701e929d2d8d40"},{"type":"PACKAGE","url":"https://github.com/gogs/gogs"},{"type":"WEB","url":"https://github.com/gogs/gogs/releases/tag/v0.13.3"},{"type":"WEB","url":"https://www.hacktivesecurity.com/blog/2025/07/15/cve-2025-47943-stored-xss-in-gogs-via-pdf"}],"database_specific":{"cwe_ids":["CWE-79"],"github_reviewed":true,"github_reviewed_at":"2025-06-26T16:54:01Z","nvd_published_at":"2025-06-24T04:15:46Z","severity":"MODERATE"},"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:L/A:N"}]}