CVE-2025-31053: quantumcloud kbx pro ultimate Path Traversal
CVSS: 8.1v3.1HighDeferred
Published 23-05-2025Last modified 28-04-2026
Vulnerability summary
CVE-2025-31053 is a high (CVSS 8.1) Path Traversal vulnerability in quantumcloud kbx pro ultimate. EPSS estimates a 0.53% chance of exploitation in the next 30 days, higher than 43.4% of scored vulnerabilities. Fixed in 8.0.5.
CVSS score
8.1/10
010
High · v3.1 (wordfence)EPSS score
0.53%
0%100%
Low · +0.01 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 23-05-2025PublishedVulnerability first disclosed.
- 28-04-2026Last modifiedVulnerability information updated.
Description
Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') vulnerability in quantumcloud KBx Pro Ultimate knowledgebase-helpdesk-pro allows Path Traversal.This issue affects KBx Pro Ultimate: from n/a through < 8.0.5.
CVSS metrics
3 scores · 3 sources · 1 versionHigh 8.1Preferred score · wordfence (Source)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:HSources3 sources · 7.7–8.1
- CVE.orgCNA7.7HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:HDiffers
- NVDNIST7.7HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:HDiffers
EPSS trend
Probability
0.53%
Chance of exploitation in the next 30 days
Percentile
43%
Versus all other CVEs
30-day change
+0.01 pp
From 0.52% on 18-09-2026
18-09-202618-10-2026
EPSS score0.53%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root cause- CWE-22Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.
- CWE-73External Control of File Name or PathThe product allows user input to control or influence paths or file names that are used in filesystem operations.
Affected systems
Quantumcloud1 product
- kbx pro ultimate≤ 8.0.5
Wordpress1 product
- knowledgebase-helpdesk-pro< 8.0.5
2 vendors · 2 products
References
2 links- patchstack.com/database/…VDB Entry