CVE-2026-55879

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Source
https://cve.org/CVERecord?id=CVE-2026-55879
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-55879.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-55879
Aliases
  • GHSA-3mfc-7hf4-jfxh
Published
2026-07-10T20:39:44Z
Modified
2026-10-28T02:30:58Z
Severity
  • 9.3 (Critical) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N CVSS Calculator
Summary
OpenReplay: Unauthenticated stored XSS leads to dashboard account takeover
Details

OpenReplay is a self-hosted session replay suite. From 1.24.0 before 1.25.0, the OpenReplay tracking SDK accepts custom event names and captured page URLs from any visitor using a public project key, stores them in ClickHouse without output encoding, and later renders them in the authenticated dashboard through TextEllipsis and the event-details modal, allowing an unauthenticated attacker to store script that executes in the dashboard origin, reads the session JWT from localStorage, and takes over a dashboard account. This issue is fixed in version 1.25.0.

Database specific 
{
    "cna_assigner":  "GitHub_M",
    "cwe_ids":  [
        "CWE-79"
    ],
    "osv_generated_from":  "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/55xxx/CVE-2026-55879.json"
}
References

Affected packages

Git / github.com/openreplay/openreplay

Affected ranges

Type
GIT
Repo
https://github.com/openreplay/openreplay
Events
Introduced
57503eec89bc34a3017917990f9296899e20c41c
Fixed
ddac26e863353590b638b646c334255b80ea1a90
Fixed
ec41f4425a99c478a4418adbd2f094ab6a8b0daf
Database specific
Show details 
{
    "extracted_events":  [
        {
            "range":  [
                {
                    "introduced":  "1.24.0"
                },
                {
                    "fixed":  "1.25.0"
                }
            ],
            "source":  "AFFECTED_FIELD",
            "strategy":  "StringRangeExpression"
        },
        {
            "range":  [
                {
                    "fixed":  "ec41f4425a99c478a4418adbd2f094ab6a8b0daf"
                }
            ],
            "source":  "REFERENCES_COMMIT"
        },
        {
            "original_tag":  "v1.25.0",
            "range":  [
                {
                    "fixed":  "ddac26e863353590b638b646c334255b80ea1a90"
                }
            ],
            "source":  "REFERENCES_TAG"
        }
    ]
}

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-55879.json"