4.3

CVE-2026-24534: upress booter Missing Authorization

CVSS: 4.3v3.1MediumDeferred
Published 23-01-2026Last modified 28-04-2026
Open JSON

Vulnerability summary

CVE-2026-24534 is a medium (CVSS 4.3) Missing Authorization vulnerability in upress booter. EPSS estimates a 0.26% chance of exploitation in the next 30 days, higher than 16.7% of scored vulnerabilities. Fixed in 1.5.8.

Overall risk
17/100
0100
Low · default modelHow is this calculated?
CVSS score
4.3/10
010
Medium · v3.1 (CVE.org)
EPSS score
0.26%
0%100%
Low · -0.01 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 23-01-2026
    PublishedVulnerability first disclosed.
  2. 28-04-2026
    Last modifiedVulnerability information updated.

Description

Missing Authorization vulnerability in uPress Booter booter-bots-crawlers-manager allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Booter: from n/a through <= 1.5.7.

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.26%

Chance of exploitation in the next 30 days

Percentile

17%

Versus all other CVEs

30-day change

-0.01 pp

From 0.27% on 20-09-2026

20-09-202620-10-2026
EPSS score
0.26%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Upress1 product
Wordpress1 product
  • booter-bots-crawlers-manager≤ 1.5.7 (fixed in 1.5.8)

2 vendors · 2 products

References

2 links