WordPress security changelog
MEDIUM CVE-2020-36656 Modified

Spectra: Cross-site scripting

Spectra 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 5.4 CVSS 3.1 · 134c704f-9b21-4f2e-91b3-4a467353bcc0
NVD score 5.4 CVSS 3.1 · nvd@nist.gov
Component
Spectra
Plugin slug
spectra
Affected
See vendor advisory
Safe version
See mitigation notes
Published
Feb 21, 2023
Weakness
CWE-79 — Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

This CVE was published Feb 21, 2023 and is one of 10 known issues for this plugin.

Update, patch or deactivate.

Update Spectra 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

The Spectra WordPress plugin before 1.15.0 does not sanitize user input as it reaches its style HTML attribute, allowing contributors to conduct stored XSS attacks via the plugin's Gutenberg blocks.

CVE / CNA vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

NVD vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Primary and upstream sources