7.2

CVE-2026-57363: quantumcloud chatbot Cross-site Scripting

CVSS: 7.2v3.1HighDeferred
Published 13-07-2026Last modified 13-07-2026

Vulnerability summary

CVE-2026-57363 is a high (CVSS 7.2) Cross-site Scripting vulnerability in quantumcloud chatbot. EPSS estimates a 0.25% chance of exploitation in the next 30 days, higher than 15.3% of scored vulnerabilities. Fixed in 8.3.8.

Overall risk
29/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.2/10
010
High · v3.1 (wordfence)
EPSS score
0.25%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 13-07-2026
    PublishedVulnerability first disclosed.
  2. 13-07-2026
    Last modifiedVulnerability information updated.

Description

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in QuantumCloud ChatBot chatbot allows Stored XSS.This issue affects ChatBot: from n/a through <= 8.3.7.

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.25%

Chance of exploitation in the next 30 days

Percentile

15%

Versus all other CVEs

30-day change

0.00 pp

From 0.25% on 18-09-2026

18-09-202618-10-2026
EPSS score
0.25%

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≤ 8.3.7 (fixed in 8.3.8)

2 vendors · 2 products

References

2 links