6.1

CVE-2021-34652: media usage Cross-site Scripting

CVSS: 6.1v3.1MediumModified
Published 16-08-2021Last modified 05-05-2025
Open JSON

Vulnerability summary

CVE-2021-34652 is a medium (CVSS 6.1) Cross-site Scripting vulnerability in media usage. EPSS estimates a 0.84% chance of exploitation in the next 30 days, higher than 57.2% of scored vulnerabilities. 2 public exploits are recorded.

Overall risk
35/100
0100
Medium · default modelHow is this calculated?
CVSS score
6.1/10
010
Medium · v3.1 (CVE.org)
EPSS score
0.84%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits2reference

Timeline

  1. 16-08-2021
    PublishedVulnerability first disclosed.
  2. 05-05-2025
    Last modifiedVulnerability information updated.

Description

The Media Usage WordPress plugin is vulnerable to Reflected Cross-Site Scripting via the id parameter in the ~/mmu_admin.php file which allows attackers to inject arbitrary web scripts, in versions up to and including 0.0.4.

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

0.84%

Chance of exploitation in the next 30 days

Percentile

57%

Versus all other CVEs

30-day change

0.00 pp

From 0.84% on 20-09-2026

20-09-202620-10-2026
EPSS score
0.84%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

2 found
  • referenceUnverified

    Exploit Reference (wordfence.com)

    Maturity: unknown

  • referenceUnverified

    Exploit Reference (plugins.trac.wordpress.org)

    Maturity: unknown

Weaknesses

CWE · root cause

Affected systems

Media usage1 product
Meowapps1 product
Wordpress1 product
  • media-usage≤ 0.0.4

3 vendors · 3 products

References

3 links