CVE-2025-56320

MEDIUM
MEDIUM Priority: 0.02 BB Relevance: 51/100
Published: 2025-10-17 Modified: 2026-11-05 First seen: 2026-11-05 Status: active

Attack Surface

Network Low Complexity Scope Change

CVSS Vector Breakdown

AV: Network
AC: Low
PR: Low
UI: Required
S: Changed
C: Low
I: Low
A: None

Description

CobbleStone Enterprise Contract Management Portal v.22.4.0 is vulnerable to Stored Cross-Site Scripting (XSS) in its chat box component. This allows a remote attacker to execute arbitrary code. NOTE: the Supplier reports that this is "Present only in an obsolete, unsupported version no longer in circulation."

Weakness Classification (1)

Bug Bounty Relevance

51 / 100
✓ Network accessible
✓ Low complexity

CVSS Score

5.4 / 10.0 v3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

EPSS — Exploitation Probability

0.36%
Raw Score 0.003580
Percentile 30.0%
Date 2026-11-14

EPSS Trend

2026-11-14
0.00358
2026-11-13
0.00358
2026-11-12
0.00358
2026-11-10
0.00358
2026-11-09
0.00358
2026-11-08
0.00358
2026-11-07
0.00358
2026-11-06
0.00358
2026-11-05
0.00350

Intelligence Sources

nvd ref →