9.8

CVE-2023-5533: quantumcloud wpbot Missing Authorization

CVSS: 9.8v3.1CriticalModified
Published 20-10-2023Last modified 08-04-2026
Open JSON

Vulnerability summary

CVE-2023-5533 is a critical (CVSS 9.8) Missing Authorization vulnerability in quantumcloud wpbot. EPSS estimates a 0.53% chance of exploitation in the next 30 days, higher than 43.6% of scored vulnerabilities. Fixed in 4.9.1.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.8/10
010
Critical · v3.1 (NVD)
EPSS score
0.53%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 0 · Duplicates 1
CVE-2023-5656

Timeline

  1. 20-10-2023
    PublishedVulnerability first disclosed.
  2. 08-04-2026
    Last modifiedVulnerability information updated.

Description

The AI ChatBot plugin for WordPress is vulnerable to unauthorized use of AJAX actions due to missing capability checks on the corresponding functions in versions up to, and including, 4.8.9 as well as 4.9.2. This makes it possible for unauthenticated attackers to perform some of those actions that were intended for higher privileged users.

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.53%

Chance of exploitation in the next 30 days

Percentile

44%

Versus all other CVEs

30-day change

0.00 pp

From 0.53% on 18-09-2026

18-09-202618-10-2026
EPSS score
0.53%

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

Quantumcloud2 products
Wordpress1 product
  • chatbot≤ 4.8.9 (fixed in 4.9.1) | 4.9.2 (fixed in 4.9.1)

2 vendors · 3 products

References

3 links