Machine-written summary
Summary written by Claude Haiku from the source advisory. Not reviewed by a person.
GHSA-95jh-7r58-xmxw affects the Packagist package wwbn/avideo before version 29.0; the flaw is in the Authorize.Net webhook handler, where an invalid webhook signature is accepted when the transaction lookup succeeds. An attacker with a low-privileged account who has made one small legitimate purchase could send a forged webhook with a chosen amount and target user ID, crediting an arbitrary wallet balance and enabling premium content or subscription access without payment. Upgrade to wwbn/avideo version 29.0 or later, which the advisory lists as the fixed version.
Not analysed yet
We haven’t published our analysis of this Advisory yet. Once a person has reviewed it, this page will say what’s vulnerable, what has to be true for your app to be affected, and how to check.
Severity and exploitation
| Score | Rating | CVSS | Vector | Source |
|---|---|---|---|---|
| 6.5 | Medium | 3.1 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N | CNA (GitHub_M) |
- CISA KEV Not listed.
- EPSS 0.0016, the 5th percentile, on 10 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.
Timeline
- 31 Oct 2026, 14:01 UTC First seen by agentprime
- 31 Oct 2026, 14:01 UTC Confirmed by OSV