What is CVE-2020-11529?

CVE-2020-11529 is a medium-severity vulnerability in Getgrav Grav, classified under URL Redirection to Untrusted Site (Open Redirect). CVSS score: 6.1/10. Published 2020-04-04.

How severe is CVE-2020-11529?

Medium severity. CVSS v3 base score is 6.1 out of 10.

Is CVE-2020-11529 known to be exploited?

3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Open Redirect in Getgrav Grav

CVE-2020-11529

Common/Grav.php in Grav before 1.7 has an Open Redirect. This is partially fixed in 1.6.23 and still present in 1.6.x.

Vulnerability class: Open Redirect

Published 2020-04-04 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.109 (95.7th percentile), scored 2026-10-01.

Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 96th percentile — 95.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.109 · newest: 0.109 · change: 0.000

Affected products

Getgrav Grav

Weakness classification (CWE)

CWE-601 — URL Redirection to Untrusted Site (Open Redirect)

Public proof-of-concept exploits

References

github.com/getgrav/grav/commit/2eae104c7a4bf32bc26cb8073d5c40464bfda3f7 (Patch, Third Party Advisory)
getgrav.org/ (Release Notes, Vendor Advisory)
github.com/getgrav/grav/issues/3134 (Third Party Advisory)

Frequently asked questions

What is CVE-2020-11529?: CVE-2020-11529 is a medium-severity vulnerability in Getgrav Grav, classified under URL Redirection to Untrusted Site (Open Redirect). CVSS score: 6.1/10. Published 2020-04-04.
How severe is CVE-2020-11529?: Medium severity. CVSS v3 base score is 6.1 out of 10.
Is CVE-2020-11529 known to be exploited?: 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.