5.4

CVE-2020-36523: avono plantuml Cross-site Scripting

CVSS: 5.4v3.1MediumModified
Published 03-06-2022Last modified 15-04-2025

Vulnerability summary

CVE-2020-36523 is a medium (CVSS 5.4) Cross-site Scripting vulnerability in avono plantuml. EPSS estimates a 0.59% chance of exploitation in the next 30 days, higher than 46.9% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
32/100
0100
Medium · default modelHow is this calculated?
CVSS score
5.4/10
010
Medium · v3.1 (NVD)
EPSS score
0.59%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference

Timeline

  1. 03-06-2022
    PublishedVulnerability first disclosed.
  2. 15-04-2025
    Last modifiedVulnerability information updated.

Description

A vulnerability was found in PlantUML 6.43. It has been declared as problematic. Affected by this vulnerability is the component Database Information Macro. The manipulation leads to cross site scripting. The attack can be launched remotely. The exploit has been disclosed to the public and may be used.

CVSS metrics

3 scores · 2 sources · 2 versions

EPSS trend

Probability

0.59%

Chance of exploitation in the next 30 days

Percentile

47%

Versus all other CVEs

30-day change

0.00 pp

From 0.59% on 18-09-2026

18-09-202618-10-2026
EPSS score
0.59%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • referenceUnverified

    Exploit Reference (seclists.org)

    Maturity: unknown

Weaknesses

CWE · root cause

Affected systems

Avono1 product
Unspecified1 product

2 vendors · 2 products

References

2 links