| Package | Affected versions | Patched versions |
|---|---|---|
| yiisoft/yii2-authclient | < 2.2.15 | 2.2.15 |
| yii2-authclient | < 2.2.15 | 2.2.15 |
What kind of vulnerability is it? Who is impacted?
Original Report:
The Oauth2 PKCE implementation is vulnerable in 2 ways:
- The
authCodeVerifiershould be removed after usage (similar to 'authState')- There is a risk for a "downgrade attack" if PKCE is being relied on for CSRF protection.
Has the problem been patched? What versions should users upgrade to?
2.2.15
Is there a way for users to fix or remediate the vulnerability without upgrading?
not known yet.
Are there any links users can visit to find out more?
Running one of these products? Scan your site to see whether it exposes a vulnerable version.
Scan my site free