9.8

CVE-2025-49901: quantumcloud simple_link_directory

CVSS: 9.8v3.1CriticalDeferred
Published 22-10-2025Last modified 28-04-2026

Vulnerability summary

CVE-2025-49901 is a critical (CVSS 9.8) vulnerability in quantumcloud simple_link_directory. EPSS estimates a 0.73% chance of exploitation in the next 30 days, higher than 53.3% of scored vulnerabilities.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.8/10
010
Critical · v3.1 (CVE.org)
EPSS score
0.73%
0%100%
Low · +0.04 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 22-10-2025
    PublishedVulnerability first disclosed.
  2. 28-04-2026
    Last modifiedVulnerability information updated.

Description

Authentication Bypass Using an Alternate Path or Channel vulnerability in quantumcloud Simple Link Directory qc-simple-link-directory allows Authentication Abuse.This issue affects Simple Link Directory: from n/a through < 14.8.1.

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.73%

Chance of exploitation in the next 30 days

Percentile

53%

Versus all other CVEs

30-day change

+0.04 pp

From 0.69% on 18-09-2026

18-09-202618-10-2026
EPSS score
0.73%

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

Quantumcloud1 product
Wordpress1 product
  • qc-simple-link-directory< 14.8.1

2 vendors · 2 products

References

2 links