4.3

CVE-2020-36747: brainstormforce lightweight_sidebar_manager Cross-Site Request Forgery (CSRF)

CVSS: 4.3v3.1MediumModified
Published 01-07-2023Last modified 08-04-2026
Open JSON

Vulnerability summary

CVE-2020-36747 is a medium (CVSS 4.3) Cross-Site Request Forgery (CSRF) vulnerability in brainstormforce lightweight_sidebar_manager. EPSS estimates a 0.46% chance of exploitation in the next 30 days, higher than 38.7% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
27/100
0100
Medium · default modelHow is this calculated?
CVSS score
4.3/10
010
Medium · v3.1 (CVE.org)
EPSS score
0.46%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference

Timeline

  1. 01-07-2023
    PublishedVulnerability first disclosed.
  2. 08-04-2026
    Last modifiedVulnerability information updated.

Description

The Lightweight Sidebar Manager plugin for WordPress is vulnerable to Cross-Site Request Forgery in versions up to, and including, 1.1.4. This is due to missing or incorrect nonce validation on the metabox_save() function. This makes it possible for unauthenticated attackers to save metbox data via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.46%

Chance of exploitation in the next 30 days

Percentile

39%

Versus all other CVEs

30-day change

0.00 pp

From 0.46% on 18-09-2026

18-09-202618-10-2026
EPSS score
0.46%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • referenceUnverified

    Exploit Reference (blog.nintechnet.com)

    Maturity: unknown

Weaknesses

CWE · root cause

Affected systems

Brainstormforce1 product
Wordpress1 product
  • sidebar-manager≤ 1.1.4 (fixed in 1.1.5)

2 vendors · 2 products

References

10 links