WordPress security changelog
MEDIUM CVE-2018-1000172 Modified

Nextgen Gallery: Cross-site scripting

Nextgen Gallery is affected by cross-site scripting. Exposure depends on how the affected operation is made reachable by the site. Injected script can execute in the affected site's origin when the vulnerable output is viewed.

CVE / CNA score 4.8 CVSS · cve@mitre.org
NVD score 4.8 CVSS 3.0 · nvd@nist.gov
Component
Nextgen Gallery
Plugin slug
nextgen-gallery
Affected
See vendor advisory
Safe version
See mitigation notes
Published
Apr 30, 2018
Weakness
CWE-79 — Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

This CVE was published Apr 30, 2018 and is one of 31 known issues for this plugin.

Update, patch or deactivate.

Update Nextgen Gallery to a release outside the affected range, or disable and remove it until a fixed version is available.

No confirmed safe version is listed. Consider a vendor-supported patch or temporarily restricting the affected functionality while you assess the risk.

Deactivate only when warranted by your risk profile, or when advised by your hosting provider in the limited circumstances where the vulnerability cannot otherwise be mitigated. If you’re unsure which action is appropriate, contact Fused or your hosting provider for guidance.

Technical description

Imagely NextGEN Gallery version 2.2.30 and earlier contains a Cross Site Scripting (XSS) vulnerability in Image Alt & Title Text. This attack appears to be exploitable via a victim viewing the image in the administrator page. This vulnerability appears to have been fixed in 2.2.45.

NVD vector: CVSS:3.0/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N

Primary and upstream sources