{"id":"CVE-2025-27155","aliases":["GHSA-fr62-mg2q-7wqv","GO-2025-3500"],"url":"https://o3.security/vulnerability/CVE-2025-27155","summary":"In-memory stored Cross-site scripting (XSS) vulnerability in pineconesim","details":"### Impact\nThe Pinecone Simulator (pineconesim) included in Pinecone up to commit https://github.com/matrix-org/pinecone/commit/ea4c33717fd74ef7d6f49490625a0fa10e3f5bbc is vulnerable to stored cross-site scripting. The payload storage is not permanent and will be wiped when restarting pineconsim.\n\n### Patches\nCommit https://github.com/matrix-org/pinecone/commit/218b2801995b174085cb1c8fafe2d3aa661f85bd contains the fixes.\n\n### Workarounds\nN/A\n\n### For more information\n\nIf you have any questions or comments about this advisory, please email us at [security at matrix.org](mailto:security@matrix.org).","published":"2025-03-04T16:29:35.924Z","modified":"2026-08-12T03:51:42.668816664Z","cvss":{"score":6.1,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"},"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Go","name":"github.com/matrix-org/pinecone","fixedVersion":null}],"fix":{"url":"https://github.com/matrix-org/pinecone/commit/218b2801995b174085cb1c8fafe2d3aa661f85bd","label":"matrix-org/pinecone@218b280"},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/27xxx/CVE-2025-27155.json"},{"type":"ADVISORY","url":"https://github.com/matrix-org/pinecone/security/advisories/GHSA-fr62-mg2q-7wqv"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-27155"},{"type":"FIX","url":"https://github.com/matrix-org/pinecone/commit/218b2801995b174085cb1c8fafe2d3aa661f85bd"},{"type":"PACKAGE","url":"https://github.com/matrix-org/pinecone"},{"type":"WEB","url":"https://pkg.go.dev/vuln/GO-2025-3500"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-12T03:51:42.668816664Z"}}