CVE-2025-69771 Cross-site scripting in n/a

Critical 9.6 Published Updated

Attackers can execute arbitrary JavaScript and exfiltrate session data via crafted subtitle files in the asbplayer Chrome Extension.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
A user has to click or open something
Fix
None listed

What is CVE-2025-69771?

CVE-2025-69771 is a critical cross-site scripting vulnerability in n/a, published on 25 Feb 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

Cross-Site Scripting (XSS) vulnerability in the subtitle loading function of the asbplayer Chrome Extension version 1.14.0 allows attackers to execute arbitrary JavaScript in the context of the active streaming platform via a crafted .srt subtitle file. Because the script executes within the same-site context, it can bypass cross-origin restrictions, leading to unauthorized same-site API requests and session data exfiltration.

Weakness: CWE-434

Which versions are affected by CVE-2025-69771?

It affects 1 product.

Products include Killergerbah Asbplayer.

How do I fix CVE-2025-69771?

No fix has been published for CVE-2025-69771 yet. Limit exposure of the affected software until one is available.

Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.

Is CVE-2025-69771 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-69771 exists.

Sources

Also known as GHSA-47p7-hmcr-q3rr.

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