GHSA-xh32-cx6c-cp4v Gogs XSS allowed by stored call in PDF renderer

• Go github.com/gogs/gogs: < 0.13.3-0.20250608224432-110117b2e5e5 → fixed in 0.13.3-0.20250608224432-110117b2e5e5 • Go gogs.io/gogs: < 0.13.3-0.20250608224432-110117b2e5e5 → fixed in 0.13.3-0.20250608224432-110117b2e5e5

Summary A stored XSS is present in Gogs which allows client-side Javascript code execution. Details Gogs Version: ``` docker images REPOSITORY TAG IMAGE ID CREATED SIZE gogs/gogs latest fe92583bc4fe 10 hours ago 99.3MB ``` Application version: `0.14.0+dev` Local setup using: ```bash Pull image from Docker Hub. docker pull gogs/gogs Create local directory for volume. sudo mkdir -p /var/gogs Use `docker run` for the first time. docker run --name=gogs -p 10022:22 -p 10880:3000 -v /var/gogs:/data gogs/gogs ``` The vulnerability is caused by the usage of a vulnerable and outdated component: `pdfjs-1.4.20` under public/plugins/. Read more about this vulnerability at codeanlabs - CVE-2024-4367. PoC 1. 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. 2. Click on the file to be previewed. Credits Edoardo Ottavianelli