TI-2021-16685 Aliases CVE-2021-39313 GHSA-9j6h-6x9c-qmfv

Simple Image Gallery <= 1.0.6 Reflected Cross-Site Scripting

LOW 29CWE-79Published 2021-12-14 · Updated 2025-01-31

Key facts

Attack vector: Network
Privileges required: None
User interaction: Required
Attack complexity: Low
Impact type: Cross-site scripting
Confidentiality · integrity · availability: Low · Low · None
Fix status: No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-79.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00782 56th percentileScored 2026-11-07

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: No
Technical impact: Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
Simple Image Gallery	Simple Image Gallery	1.0.6 – 1.0.6	—	No fix listed	CNA

Simple Image Gallery VendorSimple Image Gallery Affected 1.0.6 – 1.0.6 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:duogeek:simple_image_gallery::::::wordpress::*	up to 1.0.6	Vulnerable	DuoGeek

cpe:2.3:a:duogeek:simple_image_gallery:*:*:*:*:*:wordpress:*:* Versions up to 1.0.6 Vulnerable ·DuoGeek

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2021-39313
2026-10-03 Alias added: GHSA-9j6h-6x9c-qmfv

References

Advisory 2

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences