CVE-2025-47943
mediumpriority · track · 0EPSS 0.004 · 31 %ileDEEUUSEPSS · scored 2026-10-23
Gogs is an open source self-hosted Git service. In application version 0.14.0+dev and prior, there is a stored cross-site scripting (XSS) vulnerability present in Gogs, which allows client-side Javascript code execution. The vulnerability is caused by the usage of a vulnerable and outdated component: pdfjs-1.4.20 under public/plugins/. This issue has been fixed for gogs.io/gogs in version 0.13.3.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (5)
Products and version ranges known to be affected.
advisories (3)
Vendor and ecosystem advisories describing this.
- WID-SEC-W-2025-1383Gogs: Mehrere SchwachstellenDeutsch2025-06-24csaf · cert_bundDE
Ein Angreifer kann mehrere Schwachstellen in Gogs ausnutzen, um beliebigen Programmcode auszuführen, und um einen Cross-Site Scripting Angriff durchzuführen.
- GHSA-xh32-cx6c-cp4vGogs XSS allowed by stored call in PDF renderer2025-06-26ghsa · osvUS
### 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-p 10022:22 -p 10880:3000 -v /var/gogs:/data gogs/gogs ``` The vulnerability is caused by the usage of a vulnerable and outdated component: `pdfjs-1.4.20` under public/plugins/.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](https://codeanlabs.com/blog/research/cve-2024-4367-arbitrary-js-execution-in-pdf-js/). ### 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
- GO-2025-3778Gogs XSS allowed by stored call in PDF renderer in gogs.io/gogs2025-07-28vendor · osvUS
Gogs XSS allowed by stored call in PDF renderer in gogs.io/gogs
also known as (5)
Other names and identifiers for this entity.
sources
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references (12)
External citations — patches, advisories, analysis.
- https://access.redhat.com/security/cve/cve-2025-47943cnnvd
- https://github.com/gogs/gogs/commit/110117b2e5e5baa4809c819bec701e929d2d8d40cnnvd
- https://github.com/gogs/gogs/releases/tag/v0.13.3cnnvd
- https://github.com/gogs/gogs/security/advisories/GHSA-xh32-cx6c-cp4vcnnvd
- https://github.com/gogs/gogs/commit/110117b2e5e5baa4809c819bec701e929d2d8d40enisa_euvd
- https://github.com/gogs/gogs/releases/tag/v0.13.3enisa_euvd
- https://github.com/gogs/gogs/security/advisories/GHSA-xh32-cx6c-cp4venisa_euvd
- https://www.hacktivesecurity.com/blog/2025/07/15/cve-2025-47943-stored-xss-in-gogs-via-pdfenisa_euvd
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