CVE-2025-56320 json
CobbleStone Enterprise Contract Management Portal v.22.4.0 is vulnerable to Stored Cross-Site Scripting (XSS) in its chat box component.
published 2025-10-17 12 mo ago modified 2026-11-05 3 d ago also EUVD-2025-34913
- cvss
- 5.4
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.4%
- EPSS 0.4% chance of exploitation in 30 days, percentile 29%
- public exploits
- 0
- none known
Summary
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."
CISA SSVC
- Exploitation
- Proof of concept is public
- Automatable
- no
- Technical impact
- partial
- Assessed
- 12 mo ago
Exploit prediction
0.36% chance of exploitation in the next 30 days, higher than 29% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- medium.com https://medium.com/@rajput.thakur/stored-xss-in-chat-box-component-cve-2025-56320-87fb10d809e2 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CISA ADP | 3.1 | 5.4 | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N |
| CNA | 3.1 | 5.4 | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N |
Classification
- Weakness
-
- CWE-79 Improper Neutralization of Input During Web Page Generation
References
Sources
- CVE List CVE-2025-56320
- NVD CVE-2025-56320
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.