CVE-2020-13486 json
Knock Knock plugin Open redirection vulnerability
published 2020-05-25 6 y ago modified 2026-06-17 4 mo ago also GHSA-m69r-4h68-xq7j , EUVD-2022-4504
- cvss
- 6.1
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.7%
- EPSS 0.7% chance of exploitation in 30 days, percentile 52%
- public exploits
- 0
- none known
Summary
The Knock Knock plugin before 1.2.8 for Craft CMS allows malicious redirection.
Patch / fix
- packagist verbb/knock-knock 1.2.8
- verbb knock_knock 1.2.8
Exploit prediction
0.68% chance of exploitation in the next 30 days, higher than 52% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 6.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
| NVD | 2.0 | 5.8 | AV:N/AC:M/Au:N/C:P/I:P/A:N |
| GitHub | 3.1 | 6.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| packagist | verbb/knock-knock | <1.2.8 |
1.2.8 |
Classification
- Weakness
-
- CWE-601 URL Redirection to Untrusted Site
References
-
github.com
/verbb/knock-knock/blob/craft-3/CHANGELOG.md
web, release-notes, third-party-advisory
-
nvd.nist.gov
/vuln/detail/CVE-2020-13486
advisory
-
github.com
/verbb/knock-knock
package
Sources
- CVE List CVE-2020-13486
- GitHub Advisory GHSA-m69r-4h68-xq7j
- NVD CVE-2020-13486
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.