Medium severity · published Jun 12, 2020
CVE-2020-4048
In affected versions of WordPress, due to an issue in wp_validate_redirect() and URL sanitization, an arbitrary external link can be crafted leading to unintended/open redirect…
5.7
CVSS
2%
EPSS
No
On KEV
Description
In affected versions of WordPress, due to an issue in wp_validate_redirect() and URL sanitization, an arbitrary external link can be crafted leading to unintended/open redirect when clicked. This has been patched in version 5.4.2, along with all the previously affected versions via a minor release (5.3.4, 5.2.7, 5.1.6, 5.0.10, 4.9.15, 4.8.14, 4.7.18, 4.6.19, 4.5.22, 4.4.23, 4.3.24, 4.2.28, 4.1.31, 4.0.31, 3.9.32, 3.8.34, 3.7.34).
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:H/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
Required
Confidentiality
None
Integrity
High
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)2.0% · higher than 80% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
WO
WordPress · WordPress
3.7 before 3.7.34; 3.8 before 3.8.34; 3.9 before 3.9.32; 4.0 before 4.0.31; 4.1 before 4.1.31; 4.2 before 4.2.28; +12 more · source: NVD
DL
Debian Linux · Debian
8.0; 9.0; 10.0 · source: NVD
FE
Fedora · Fedoraproject
32; 33 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-4048
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-4048
Patch
https://github.com/WordPress/wordpress-develop/commit/6ef777e9a022bee2a80fa671118e7e2657e52693
Third Party Advisory
https://github.com/WordPress/wordpress-develop/security/advisories/GHSA-q6pw-gvf4-5fj5
Mailing List
https://lists.debian.org/debian-lts-announce/2020/07/msg00000.html
Mailing List
https://lists.debian.org/debian-lts-announce/2020/09/msg00011.html
lists.fedoraproject.org
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/773N2ZV7QEMBGKH6FBKI6Q5S3YJMW357/
lists.fedoraproject.org
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ODNHXVJS25YVWYQHOCICXTLIN5UYJFDN/
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