What is CVE-2021-39313?

CVE-2021-39313 is a medium-severity vulnerability in Duogeek Simple Image Gallery, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2021-12-14.

How severe is CVE-2021-39313?

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

Is CVE-2021-39313 known to be exploited?

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

XSS in Duogeek Simple Image Gallery

CVE-2021-39313

The Simple Image Gallery WordPress plugin is vulnerable to Reflected Cross-Site Scripting via the msg parameter found in the ~/simple-image-gallery.php file which allows attackers to inject arbitrary web scripts, in versions up to and including 1.0.6.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.008 (51.4th percentile) — read the EPSS interpretation.

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.

Affected products

Duogeek Simple_image_gallery
Simple Image Gallery — versions 1.0.6

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

Public proof-of-concept exploits

20142995/nuclei-templates

References

security@wordfence.com (Third Party Advisory, x_refsource_MISC)
security@wordfence.com (Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2021-39313?: CVE-2021-39313 is a medium-severity vulnerability in Duogeek Simple Image Gallery, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2021-12-14.
How severe is CVE-2021-39313?: Medium severity. CVSS v3 base score is 6.1 out of 10.
Is CVE-2021-39313 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.