CVE-2020-36656: 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.

medium Affects spectra (WordPress plugin). Feed 2026.10.29.1, updated 2026-10-28; published ; advisory modified .

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.

Package
spectra (WordPress plugin) WordPress
Affected versions
<1.15.0
Fixed in
1.15.0
Severity
medium  CVSS 5.4
Exploitation
not on CISA KEV · EPSS 1% (43.2th percentile)
Published
2023-02-21
Source
nvd

References

CWE-79
NVD recordspectra (WordPress plugin) advisories

Am I affected?

Find out in one command. phpwarden checks your WordPress install against this advisory and 20,000+ others, ranked by real-world exploitation (CISA KEV + EPSS). Free, offline, open data.

# one-time install
pip install phpwarden

# then
phpwarden wordpress /var/www/html

Or keep it checked automatically with the GitHub Action or a nightly cron; see WordPress docs.

Install docs   How findings are ranked

Related advisories