Quick answers
- Is CVE-2026-38473 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-38473 being exploited in the wild.
- How severe is CVE-2026-38473?
- Medium severity, with a CVSS score of 5.4, published 25 August 2026.
- Which products and versions are affected?
- Mosasauroidea GazellePW commit 86c4bedf727691b5a97af42a4864869d18446449 and potentially other versions.
- Is there a fix for CVE-2026-38473?
- No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
- How is CVE-2026-38473 attacked?
- It is attacked over the network.
- Am I affected by CVE-2026-38473?
- Check whether you run Mosasauroidea GazellePW at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.
Technical details
This is a stored cross-site scripting (XSS) vulnerability in the subtitle deletion flow. The root cause is insufficient output encoding in the delete.php template: the `$Name` variable—which contains the subtitle filename—is retrieved from the database and rendered directly into HTML via `<?= $Name ?>` without any escaping. Although the filename is sanitized during upload via `db_string()`, the upload handler stores the user-supplied filename (`$File['name']`) directly. An authenticated attacker can upload a subtitle with a filename containing JavaScript (e.g., `test<img src=x onerror=alert(1)>.srt`), which persists in the database. When the uploader, a moderator, or any user accessing the delete page views the confirmation form, the payload executes in their browser context with their session privileges. The attack requires authentication to upload a subtitle and victim interaction (visiting the delete page), but no additional permissions.
Affected products
- Mosasauroidea GazellePW commit 86c4bedf727691b5a97af42a4864869d18446449 and potentially other versions
Timeline
- 2026-08-25: disclosed: CVE-2026-38473 published on NVD