5.5

CVE-2021-24332: autoptimize Cross-site Scripting

CVSS: 5.5v3.1MediumModified
Published 24-05-2021Last modified 03-08-2024

Vulnerability summary

CVE-2021-24332 is a medium (CVSS 5.5) Cross-site Scripting vulnerability in autoptimize. EPSS estimates a 0.63% chance of exploitation in the next 30 days, higher than 48.9% of scored vulnerabilities. 1 public exploit is recorded. Fixed in 2.8.4.

Overall risk
32/100
0100
Medium · default modelHow is this calculated?
CVSS score
5.5/10
010
Medium · v3.1 (wordfence)
EPSS score
0.63%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference

Timeline

  1. 24-05-2021
    PublishedVulnerability first disclosed.
  2. 03-08-2024
    Last modifiedVulnerability information updated.

Description

The Autoptimize WordPress plugin before 2.8.4 was missing proper escaping and sanitisation in some of its settings, allowing high privilege users to set XSS payloads in them, leading to stored Cross-Site Scripting issues

CVSS metrics

3 scores · 2 sources · 2 versions

EPSS trend

Probability

0.63%

Chance of exploitation in the next 30 days

Percentile

49%

Versus all other CVEs

30-day change

0.00 pp

From 0.63% on 18-09-2026

18-09-202618-10-2026
EPSS score
0.63%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • referenceUnverified

    Exploit Reference (wpscan.com)

    Maturity: unknown

Weaknesses

CWE · root cause

Affected systems

Autoptimize1 product
Unknown1 product
Wordpress1 product
  • autoptimize< 2.8.4

3 vendors · 3 products

References

3 links