Medium severity5.3OSV Advisory· Published Jul 7, 2025· Updated Apr 15, 2026

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Giscus/GiscusOSV2 versions
(expand)+ 1 more
- (no CPE)
- (no CPE)range: < c43af7806e65adfcf4d0feeebef76dc36c95cb9a

Patches

Vulnerability mechanics

References

github.com/giscus/giscus/commit/4b9745fe1a326ce08d69f8a388331bc993d19389nvd
github.com/giscus/giscus/commit/c43af7806e65adfcf4d0feeebef76dc36c95cb9anvd
github.com/giscus/giscus/security/advisories/GHSA-w6vg-v24f-4vm3nvd

News mentions

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cvss	0.345
epss	0.000
exploit	0.000
kev	0.000
patch	-0.070
ransomware	0.000