8.8

CVE-2026-95531: quantumcloud conversational forms for chatbot Deserialization of Untrusted Data

CVSS: 8.8v3.1HighDeferred
Published 30-09-2026Last modified 30-09-2026

Vulnerability summary

CVE-2026-95531 is a high (CVSS 8.8) Deserialization of Untrusted Data vulnerability in quantumcloud conversational forms for chatbot. EPSS estimates a 0.48% chance of exploitation in the next 30 days, higher than 40.1% of scored vulnerabilities.

Overall risk
35/100
0100
Medium · default modelHow is this calculated?
CVSS score
8.8/10
010
High · v3.1 (CVE.org)
EPSS score
0.48%
0%100%
Low · Change unavailable
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 30-09-2026
    PublishedVulnerability first disclosed.
  2. 30-09-2026
    Last modifiedVulnerability information updated.

Description

Subscriber PHP Object Injection in Conversational Forms for ChatBot <= 1.5.0 versions.

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.48%

Chance of exploitation in the next 30 days

Percentile

40%

Versus all other CVEs

30-day change

Change unavailable

Change unavailable

01-10-202618-10-2026
EPSS score
0.48%

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
  • conversational-forms≤ 1.5.0 (fixed in 1.5.1)

2 vendors · 2 products

References

2 links