How severe is CVE-2026-39367?

CVE-2026-39367 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2026-39367 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (9th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-39367?

CVE-2026-39367 affects Wwbn Avideo. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-39367?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2026-39367 have an EU (EUVD) identifier?

Yes. CVE-2026-39367 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-19879.

When was CVE-2026-39367 published?

CVE-2026-39367 was published on 2026-04-07 and last updated on 2026-06-17.

CVE-2026-39367

CVE-2026-39367 is a medium-severity vulnerability in Wwbn Avideo with a CVSS 3.x base score of 5.4. 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-79.

Key facts

Severity: Medium (CVSS 3.x base score 5.4)
EPSS exploit prediction: 0% (9th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-19879
Weakness: CWE-79
Affected product: Wwbn Avideo
Published: 2026-04-07
Last modified: 2026-06-17

Description

WWBN AVideo is an open source video platform. In versions 26.0 and prior, AVideo's EPG (Electronic Program Guide) feature parses XML from user-controlled URLs and renders programme titles directly into HTML without any sanitization or escaping. A user with upload permission can set a video's epg_link to a malicious XML file whose <title> elements contain JavaScript. This payload executes in the browser of any unauthenticated visitor to the public EPG page, enabling session hijacking and account takeover.

Frequently asked questions

What is CVE-2026-39367?: WWBN AVideo is an open source video platform. In versions 26.0 and prior, AVideo's EPG (Electronic Program Guide) feature parses XML from user-controlled URLs and renders programme titles directly into HTML without any sanitization or escaping. A user with upload permission can set a video's epg_link to a malicious XML file whose <title> elements contain JavaScript. This payload executes in the browser of any unauthenticated visitor to the public EPG page, enabling session hijacking and account takeover.
How severe is CVE-2026-39367?: CVE-2026-39367 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2026-39367 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (9th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-39367?: CVE-2026-39367 affects Wwbn Avideo. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-39367?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-39367 have an EU (EUVD) identifier?: Yes. CVE-2026-39367 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-19879.
When was CVE-2026-39367 published?: CVE-2026-39367 was published on 2026-04-07 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:wwbn:avideo:*:*:*:*:*:*:*:*

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