PT-2021-22522 · WordPress · Simple Image Gallery

P7E4 · Published 2021-12-14 · Updated 2021-12-16 · CVE-2021-39313

Positive Technologies (AI Summary)

CVSS v3.1

6.1

Medium

Base vector

AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Name of the Vulnerable Software and Affected Versions: Simple Image Gallery WordPress plugin versions up to and including 1.0.6

Description: The issue allows attackers to inject arbitrary web scripts via the msg parameter found in the ~/simple-image-gallery.php file, enabling Reflected Cross-Site Scripting attacks.

Recommendations: For versions up to and including 1.0.6, consider disabling access to the ~/simple-image-gallery.php file or restricting the use of the msg parameter until a patch is available.

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2021-39313

Affected Products

Simple Image Gallery

References · 5

• https://osv.dev/vulnerability/CVE-2021-39313 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-39313 · Security Note
• https://wordfence.com/vulnerability-advisories/#CVE-2021-39313 · Note
• https://t.me/cibsecurity/33947 · Telegram Post
• https://plugins.trac.wordpress.org/browser/simple-responsive-image-gallery/tags/1.0.6/simple-image-gallery.php#L420 · Note