CVE-2021-31783

Name: CVE-2021-31783
Creator: NVD / NIST
Published: 2021-04-26T19:15:08.583+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 0.62%

Last modified Jun 17, 2026

CVE-2021-31783 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. show_default.php in the LocalFilesEditor extension before 11.4.0.1 for Piwigo allows Local File Inclusion because the file parameter is not validated with a proper regular-expression check.. EPSS estimates a 0.62% chance of exploitation in the next 30 days.

Description

show_default.php in the LocalFilesEditor extension before 11.4.0.1 for Piwigo allows Local File Inclusion because the file parameter is not validated with a proper regular-expression check.

Metrics

CVSS 3.1

7.5/10

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

EPSS Probability

0.62%

45.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-345

Affected Software

Vendor	Product	Versions
Piwigo	Localfiles Editor	< 11.4.0.1

References

https://github.com/Piwigo/LocalFilesEditor/commit/dda691d3e45bfd166ac175c70bd8b91cb4917b6bPatch, Third Party Advisory
https://github.com/Piwigo/LocalFilesEditor/issues/2Issue Tracking, Third Party Advisory
https://piwigo.org/ext/index.php?cid=nullRelease Notes, Third Party Advisory
https://github.com/Piwigo/LocalFilesEditor/commit/dda691d3e45bfd166ac175c70bd8b91cb4917b6bPatch, Third Party Advisory
https://github.com/Piwigo/LocalFilesEditor/issues/2Issue Tracking, Third Party Advisory
https://piwigo.org/ext/index.php?cid=nullRelease Notes, Third Party Advisory

Timeline

Published: Apr 26, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-31783?

show_default.php in the LocalFilesEditor extension before 11.4.0.1 for Piwigo allows Local File Inclusion because the file parameter is not validated with a proper regular-expression check.

How severe is CVE-2021-31783?

CVE-2021-31783 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 0.62% probability of exploitation in the next 30 days.

How do I fix CVE-2021-31783?

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.

Are you affected by CVE-2021-31783?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST