0.0
NA
CVE-2026-38473
GazellePosterWall Stored Cross-Site Scripting Vulnerability
Description

A Stored XSS vulnerability in the subtitle deletion flow in GazellePW (GazellePosterWall) commit 86c4bedf727691b5a97af42a4864869d18446449 allows remote authenticated users to inject arbitrary JavaScript via a crafted subtitle filename, which is stored during upload and later rendered in /subtitles.php?action=delete.

INFO

Published Date :

Aug. 25, 2026, 10:17 p.m.

Last Modified :

Aug. 25, 2026, 10:17 p.m.

Remotely Exploit :

No
Affected Products

The following products are affected by CVE-2026-38473 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

No affected product recoded yet

Solution
Sanitize user input for subtitle filenames to prevent Stored XSS.
  • Validate and sanitize all user-supplied filenames.
  • Encode output when rendering user-supplied data.
  • Apply security patches for GazellePW.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-38473 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2026-38473 weaknesses.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2026-38473 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2026-38473 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • New CVE Received by [email protected]

    Aug. 25, 2026

    Action Type Old Value New Value
    Added Affected [{'vendor': 'n/a', 'product': 'n/a', 'versions': [{'status': 'affected', 'version': 'n/a'}]}]
    Added Description A Stored XSS vulnerability in the subtitle deletion flow in GazellePW (GazellePosterWall) commit 86c4bedf727691b5a97af42a4864869d18446449 allows remote authenticated users to inject arbitrary JavaScript via a crafted subtitle filename, which is stored during upload and later rendered in /subtitles.php?action=delete.
    Added Reference https://github.com/Mosasauroidea/GazellePW/blob/86c4bedf727691b5a97af42a4864869d18446449/sections/subtitles/delete.php#L25
    Added Reference https://github.com/Mosasauroidea/GazellePW/blob/86c4bedf727691b5a97af42a4864869d18446449/sections/subtitles/upload_handle.php#L12
    Added Reference https://github.com/Mosasauroidea/GazellePW/blob/86c4bedf727691b5a97af42a4864869d18446449/sections/subtitles/upload_handle.php#L37
    Added Reference https://snaacky.com/1-click-exploit-chain-for-complete-gazellepw-database-compromise
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.