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VulnerabilityPublished

CVE-2026-43883: WWBN AVideo · Insecure Direct Object Reference

Affects WWBN AVideoSource CVE Database V5

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Not known to be exploited · CVSS 4.2 Medium.

Data as of 30 Oct 2026, 11:52 UTC

CVSS 3.1 base score
4.2Medium
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.2% chance of exploitation in 30 days – higher than 9% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:L

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 11 May 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 30 Oct 2026.

What to do

Affected software

ProductAffectedFixed in
WWBNAVideoAffected
  • <=29.0
Fixed in–
GitHubwwbn/AVideopkg:github/wwbn/AVideoOther threatsAffected
  • <=29.0
Fixed in–

Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.

AI-suggested

Until an official patch is available, restrict access to the vulnerable endpoint and monitor for suspicious cancellation requests if possible.

Description

WWBN AVideo versions up to and including 29.0 contain an authorization bypass vulnerability in the PayPal billing agreement cancellation endpoint. A low-privilege authenticated user can supply another user's PayPal billing agreement ID to cancel that user's recurring subscription without ownership verification. This can lead to revenue loss for the platform and loss of paid service for the victim. A fix has been committed but no official patch or vendor advisory is currently confirmed.

References

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