How severe is CVE-2025-69771?

CVE-2025-69771 has a CVSS 3.x base score of 9.6, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2025-69771 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (24th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-69771?

CVE-2025-69771 affects Killergerbah Asbplayer. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-69771?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

Does CVE-2025-69771 have an EU (EUVD) identifier?

Yes. CVE-2025-69771 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-208115.

When was CVE-2025-69771 published?

CVE-2025-69771 was published on 2026-02-25 and last updated on 2026-06-17.

CVE-2025-69771

CVE-2025-69771 is a critical-severity vulnerability in Killergerbah Asbplayer with a CVSS 3.x base score of 9.6. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-434.

Key facts

Severity: Critical (CVSS 3.x base score 9.6)
EPSS exploit prediction: 0% (24th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-208115
Weakness: CWE-434
Affected product: Killergerbah Asbplayer
Published: 2026-02-25
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2025-69771?: 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.
How severe is CVE-2025-69771?: CVE-2025-69771 has a CVSS 3.x base score of 9.6, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2025-69771 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (24th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-69771?: CVE-2025-69771 affects Killergerbah Asbplayer. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-69771?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
Does CVE-2025-69771 have an EU (EUVD) identifier?: Yes. CVE-2025-69771 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-208115.
When was CVE-2025-69771 published?: CVE-2025-69771 was published on 2026-02-25 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:killergerbah:asbplayer:*:*:*:*:*:chrome:*:*

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