Is CVE-2026-109893 exploited in the wild?

No. Junglewise Threat Intelligence has no report of CVE-2026-109893 being exploited in the wild.

How severe is CVE-2026-109893?

Medium severity, with a CVSS score of 6.5, published 15 October 2026.

Which products and versions are affected?

Brainstorm Force Presto Player through 4.5.3.

Is there a fix for CVE-2026-109893?

Yes: fixed in 4.5.4. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

How is CVE-2026-109893 attacked?

It is attacked over the network, in a web application.

Am I affected by CVE-2026-109893?

Check whether you run Brainstorm Force Presto Player 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.

CVE-2026-109893: Brainstorm Force Presto Player stored cross-site scripting

CVE-2026-109893 · Severity: medium · CVSS 6.5 · Published 2026-10-15

Presto Player is a WordPress plugin that provides video playback functionality. A stored cross-site scripting vulnerability allows authenticated attackers with contributor or developer privileges to inject malicious scripts into the site. When visitors view pages containing the injected content, their browsers execute the scripts, potentially stealing session data or account credentials.

Technologies: Brainstorm Force Presto Player. Vendors: Brainstorm Force.

Quick answers

Is CVE-2026-109893 exploited in the wild?: No. Junglewise Threat Intelligence has no report of CVE-2026-109893 being exploited in the wild.
How severe is CVE-2026-109893?: Medium severity, with a CVSS score of 6.5, published 15 October 2026.
Which products and versions are affected?: Brainstorm Force Presto Player through 4.5.3.
Is there a fix for CVE-2026-109893?: Yes: fixed in 4.5.4. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
How is CVE-2026-109893 attacked?: It is attacked over the network, in a web application.
Am I affected by CVE-2026-109893?: Check whether you run Brainstorm Force Presto Player 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.

How to fix

Fixed in: 4.5.4

Technical details

A stored XSS vulnerability in Presto Player versions up to 4.5.3 fails to properly neutralize user input during web page generation. The vulnerability requires an authenticated attacker with contributor or developer-level privileges to inject the payload, but once stored, any visitor accessing the affected content will execute the malicious script. The vulnerability is classified as stored (persistent) XSS rather than reflected.

Affected products

Brainstorm Force Presto Player through 4.5.3

Timeline

2026-10-15: disclosed
2026-10-15: patched

References

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