CVE-2020-36656 — Spectra < 1.15.0 - Contributor+ Stored Cross-Side Scripting

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MEDIUM

Spectra < 1.15.0 - Contributor+ Stored Cross-Side Scripting

Published Feb 21, 2023

5.4

MEDIUM

CVSS 3.1

EPSS 0.51%

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.

Affected products

Vendor n/a Product Spectra Default
unaffected
- Version
  0
  Status
  affected
  Constraints
  <1.15.0

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor

Product

Default status

Versions

n/a

Spectra

unaffected

Version	Status	Constraints
0	affected	<1.15.0

Remediation

No remediation recorded yet.

Metrics

0.51% 0.00507

Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 3, 2026.

EPSS probability 0.00507

Score over time

2023–2026

EPSS v2
EPSS v3
EPSS v4
EPSS v5

Percentile over time

EPSS v2
EPSS v3
EPSS v4
EPSS v5

Table of values (10 key points)

Flat stretches are collapsed; showing up to 120 newest points.

Date	Score	Percentile	Model
Oct 3, 2026	0.51% (0.00507)	41.17th	v5 (v2026.06.15)
Jun 15, 2026	0.51% (0.00507)	39.05th	v5 (v2026.06.15)
Mar 17, 2025	0.11% (0.00109)	26.81th	v4 (v2025.03.14)
Dec 12, 2024	0.06% (0.00058)	26.59th	v3 (v2023.03.01)
May 20, 2024	0.06% (0.00056)	22.79th	v3 (v2023.03.01)
Feb 28, 2024	0.06% (0.00056)	20.77th	v3 (v2023.03.01)
Jan 22, 2024	0.05% (0.00051)	17.36th	v3 (v2023.03.01)
Mar 7, 2023	0.04% (0.00045)	11.89th	v3 (v2023.03.01)
Mar 6, 2023	0.89% (0.00885)	27.89th	v2 (v2022.01.01)
Feb 22, 2023	0.89% (0.00885)	27.75th	v2 (v2022.01.01)