CVE-2025-53532

medium

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.

References

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

https://github.com/giscus/giscus/commit/c43af7806e65adfcf4d0feeebef76dc36c95cb9a

https://github.com/giscus/giscus/commit/4b9745fe1a326ce08d69f8a388331bc993d19389

Details

Source: Mitre, NVD

Published: 2025-07-07

Updated: 2025-07-08

Risk Information

CVSS v2

Base Score: 5

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:P/A:N

Severity: Medium

CVSS v3

Base Score: 5.3

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

Severity: Medium

EPSS

EPSS: 0.00026