CVE-2025-53532

Description

giscus is a commenting system powered by GitHub Discussions. A bug in giscus' discussions creation API allowed an unauthorized user to create discussions on any repository where giscus is installed. This affects the server-side part of giscus, which is provided via http://giscus.app or your own self-hosted service. This vulnerability is fixed by the c43af7806e65adfcf4d0feeebef76dc36c95cb9a and 4b9745fe1a326ce08d69f8a388331bc993d19389 commits.

Reserved 2025-07-02 | Published 2025-07-07 | Updated 2025-07-07 | Assigner GitHub_M

Problem types

CWE-285: Improper Authorization

Product status

< c43af7806e65adfcf4d0feeebef76dc36c95cb9a
affected

References

github.com/...giscus/security/advisories/GHSA-w6vg-v24f-4vm3

github.com/...ommit/4b9745fe1a326ce08d69f8a388331bc993d19389

github.com/...ommit/c43af7806e65adfcf4d0feeebef76dc36c95cb9a

cve.org (CVE-2025-53532)

nvd.nist.gov (CVE-2025-53532)

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