5.3

CVE-2025-64277: quantumcloud chatbot Missing Authorization

CVSS: 5.3v3.1MediumDeferred
Published 13-11-2025Last modified 28-04-2026
Open JSON

Vulnerability summary

CVE-2025-64277 is a medium (CVSS 5.3) Missing Authorization vulnerability in quantumcloud chatbot. EPSS estimates a 0.29% chance of exploitation in the next 30 days, higher than 19.8% of scored vulnerabilities. Fixed in 7.4.0.

Overall risk
21/100
0100
Low · default modelHow is this calculated?
CVSS score
5.3/10
010
Medium · v3.1 (CVE.org)
EPSS score
0.29%
0%100%
Low · +0.02 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 13-11-2025
    PublishedVulnerability first disclosed.
  2. 28-04-2026
    Last modifiedVulnerability information updated.

Description

Missing Authorization vulnerability in QuantumCloud ChatBot chatbot allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects ChatBot: from n/a through <= 7.3.9.

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.29%

Chance of exploitation in the next 30 days

Percentile

20%

Versus all other CVEs

30-day change

+0.02 pp

From 0.27% on 18-09-2026

18-09-202618-10-2026
EPSS score
0.29%

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
  • chatbot≤ 7.3.9 (fixed in 7.4.0)

2 vendors · 2 products

References

2 links