CVE-2020-35581

Name: CVE-2020-35581
Creator: NVD / NIST
Published: 2021-01-15T07:15:13.377+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.4/10EPSS 1.34%

Last modified Jun 17, 2026

CVE-2020-35581 is a medium-severity vulnerability rated 5.4/10 on the CVSS scale. A stored cross-site scripting (XSS) issue in Envira Gallery Lite before 1.8.3.3 allows remote attackers to inject arbitrary JavaScript/HTML code via a POST /wp-admin/admin-ajax.php request with the meta[title] parameter.. EPSS estimates a 1.34% chance of exploitation in the next 30 days.

Description

A stored cross-site scripting (XSS) issue in Envira Gallery Lite before 1.8.3.3 allows remote attackers to inject arbitrary JavaScript/HTML code via a POST /wp-admin/admin-ajax.php request with the meta[title] parameter.

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

1.34%

67.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Enviragallery	Envira Gallery	< 1.8.3.3

References

http://packetstormsecurity.com/files/160924/Envira-Gallery-Lite-1.8.3.2-Cross-Site-Scripting.htmlExploit, Third Party Advisory, VDB Entry
https://github.com/enviragallery/envira-gallery-lite/blob/master/changelog.txtRelease Notes, Third Party Advisory
https://github.com/enviragallery/envira-gallery-lite/commit/102651514e6faca914ec1c7e113def340d8e1e09Patch, Third Party Advisory
https://github.com/enviragallery/envira-gallery-lite/commit/3b081dd10a1731f8cd981bebeac0e775fb217acfPatch, Third Party Advisory
http://packetstormsecurity.com/files/160924/Envira-Gallery-Lite-1.8.3.2-Cross-Site-Scripting.htmlExploit, Third Party Advisory, VDB Entry
https://github.com/enviragallery/envira-gallery-lite/blob/master/changelog.txtRelease Notes, Third Party Advisory
https://github.com/enviragallery/envira-gallery-lite/commit/102651514e6faca914ec1c7e113def340d8e1e09Patch, Third Party Advisory
https://github.com/enviragallery/envira-gallery-lite/commit/3b081dd10a1731f8cd981bebeac0e775fb217acfPatch, Third Party Advisory

Timeline

Published: Jan 15, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-35581?

How severe is CVE-2020-35581?

CVE-2020-35581 has a CVSS score of 5.4/10 (MEDIUM severity). The EPSS model estimates a 1.34% probability of exploitation in the next 30 days.

How do I fix CVE-2020-35581?

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-2020-35581?

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

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Source: NVD / NIST