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.
CVSS score
8.8/10
010
High · v3.1 (CVE.org)EPSS score
0.48%
0%100%
Low · Change unavailableKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 30-09-2026PublishedVulnerability first disclosed.
- 30-09-2026Last modifiedVulnerability information updated.
Description
Subscriber PHP Object Injection in Conversational Forms for ChatBot <= 1.5.0 versions.
CVSS metrics
3 scores · 3 sources · 1 versionHigh 8.8Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HSources3 sources · 7.5–8.8
- NVDNIST8.8HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- wordfenceSource7.5HighCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:HDiffers
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 score0.48%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Quantumcloud1 product
- conversational forms for chatbot≥ n/a, ≤ 1.5.0
Wordpress1 product
- conversational-forms≤ 1.5.0 (fixed in 1.5.1)
2 vendors · 2 products
References
2 links- patchstack.com/database/…VDB Entry