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CVE-2020-11026

MEDIUMCVSS 5.4/10EPSS 2.09%

Last modified

CVE-2020-11026 is a medium-severity vulnerability rated 5.4/10 on the CVSS scale. In affected versions of WordPress, files with a specially crafted name when uploaded to the Media section can lead to script execution upon accessing the file. This requires an authenticated user with privileges to upload files. EPSS estimates a 2.09% chance of exploitation in the next 30 days.

Description

In affected versions of WordPress, files with a specially crafted name when uploaded to the Media section can lead to script execution upon accessing the file. This requires an authenticated user with privileges to upload files. This has been patched in version 5.4.1, along with all the previously affected versions via a minor release (5.3.3, 5.2.6, 5.1.5, 5.0.9, 4.9.14, 4.8.13, 4.7.17, 4.6.18, 4.5.21, 4.4.22, 4.3.23, 4.2.27, 4.1.30, 4.0.30, 3.9.31, 3.8.33, 3.7.33).

Metrics

CVSS 3.1
5.4/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

EPSS Probability
2.09%

79.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
WordpressWordpress>= 3.7, < 3.7.33
WordpressWordpress>= 3.8, < 3.8.33
WordpressWordpress>= 3.9, < 3.9.31
WordpressWordpress>= 4.0, < 4.0.30
WordpressWordpress>= 4.1, < 4.1.30
WordpressWordpress>= 4.2, < 4.2.27
WordpressWordpress>= 4.3, < 4.3.23
WordpressWordpress>= 4.4, < 4.4.22
WordpressWordpress>= 4.5, < 4.5.21
WordpressWordpress>= 4.6, < 4.6.18
WordpressWordpress>= 4.7, < 4.7.17
WordpressWordpress>= 4.8, < 4.8.13
WordpressWordpress>= 4.9, < 4.9.14
WordpressWordpress>= 5.0, < 5.0.9
WordpressWordpress>= 5.1, < 5.1.5
WordpressWordpress>= 5.2, < 5.2.6
WordpressWordpress>= 5.3, < 5.3.3
WordpressWordpress5.4
DebianDebian Linux8.0
DebianDebian Linux9.0
DebianDebian Linux10.0

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2020-11026?
In affected versions of WordPress, files with a specially crafted name when uploaded to the Media section can lead to script execution upon accessing the file. This requires an authenticated user with privileges to upload files. This has been patched in version 5.4.1, along with all the previously affected versions via a minor release (5.3.3, 5.2.6, 5.1.5, 5.0.9, 4.9.14, 4.8.13, 4.7.17, 4.6.18, 4.5.21, 4.4.22, 4.3.23, 4.2.27, 4.1.30, 4.0.30, 3.9.31, 3.8.33, 3.7.33).
How severe is CVE-2020-11026?
CVE-2020-11026 has a CVSS score of 5.4/10 (MEDIUM severity). The EPSS model estimates a 2.09% probability of exploitation in the next 30 days.
How do I fix CVE-2020-11026?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST