9

CVE-2021-24693: tipsandtricks-hq simple_download_monitor Cross-site Scripting

CVSS: 9.0v3.1CriticalModified
Published 08-11-2021Last modified 03-08-2024
Open JSON

Vulnerability summary

CVE-2021-24693 is a critical (CVSS 9.0) Cross-site Scripting vulnerability in tipsandtricks-hq simple_download_monitor. EPSS estimates a 1.28% chance of exploitation in the next 30 days, higher than 69.6% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.0/10
010
Critical · v3.1 (NVD)
EPSS score
1.28%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference

Timeline

  1. 08-11-2021
    PublishedVulnerability first disclosed.
  2. 03-08-2024
    Last modifiedVulnerability information updated.

Description

The Simple Download Monitor WordPress plugin before 3.9.5 does not escape the "File Thumbnail" post meta before outputting it in some pages, which could allow users with a role as low as Contributor to perform Stored Cross-Site Scripting attacks. Given the that XSS is triggered even when the Download is in a review state, contributor could make JavaScript code execute in a context of a reviewer such as admin and make them create a rogue admin account, or install a malicious plugin

CVSS metrics

3 scores · 2 sources · 2 versions

EPSS trend

Probability

1.28%

Chance of exploitation in the next 30 days

Percentile

70%

Versus all other CVEs

30-day change

0.00 pp

From 1.28% on 19-09-2026

19-09-202619-10-2026
EPSS score
1.28%

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

Tipsandtricks-hq1 product
Unknown1 product
Wordpress1 product
  • simple-download-monitor≤ 3.9.4 (fixed in 3.9.5)

3 vendors · 3 products

References

2 links