CVE-2021-39313

MEDIUM
Published Dec 14, 20214y ago · Modified Jun 17, 20262w ago
6.1 CVSS 3.1
Medium
Find Similar
Published Dec 14, 2021 4y ago
Last Modified Jun 17, 2026 2w ago

Description

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.

CVSS Details

Base Score
6.1
Exploitability
2.8
Impact
2.7
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction Required
Scope Changed
Confidentiality Low
Integrity Low
Availability None

Threat Intelligence

No active exploitation signals — not in CISA KEV and no EPSS score yet.

Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 1

CWE-79 Cross-site Scripting Injection

Affected Products 1

VendorProductVersionRange
duogeeksimple_image_gallery* ≤1.0.6

References 2

  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/simple-responsive-image-gallery/tags/1.0.6/simple-image-gallery.php#L420
    Third Party Advisory
  • wordfence.com https://www.wordfence.com/vulnerability-advisories/#CVE-2021-39313
    Third Party Advisory

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.