Security readout for executives and security teams
Plain-English summary
This CVE describes stored cross-site scripting in the chat box of CobbleStone Enterprise Contract Management Portal v22.4.0. An attacker with some access could save malicious content that later runs in another user's browser. The supplier says this affects only an obsolete, unsupported version no longer in circulation.
Executive priority
Treat this as a targeted legacy-system cleanup item, not an emergency unless v22.4.0 is still deployed. Prioritize confirmation with the contract-management system owner because stored XSS can expose user sessions or alter viewed business content.
Technical view
CVE-2025-56320 is CWE-79 stored XSS in the chat component. CVSS 3.1 is 5.4 with network access, low complexity, low privileges, required user interaction, changed scope, and low confidentiality/integrity impact. The source bundle does not identify CPEs or supported affected versions.
Likely exposure
Exposure appears limited to organizations still running CobbleStone Enterprise Contract Management Portal v22.4.0 with the chat box component available. The supplier note materially reduces likely exposure, but asset inventories should verify whether any legacy instance remains.
Exploitation context
The bundle does not report active exploitation, and CISA KEV is false. Exploitation would depend on storing scriptable content in chat and a user later viewing it; the CVSS vector indicates low privileges and user interaction are required.
Researcher notes
Evidence is narrow: one CVE record, one researcher write-up, and a vendor product page. The supplier disputes practical reach by saying the issue exists only in an obsolete unsupported version no longer in circulation. No patch version, CPE, or exploitation evidence is provided.
Mitigation direction
- Inventory CobbleStone ECM deployments and confirm whether v22.4.0 exists.
- Check CobbleStone guidance for supported versions, patches, or upgrade paths.
- Move any v22.4.0 instance to a supported release after vendor confirmation.
- Restrict portal and chat access until remediation is complete.
- Review chat input handling and output encoding with the vendor or application owner.
Validation and detection
- Confirm product version and whether the chat box component is enabled.
- Verify the instance is supported by CobbleStone and not v22.4.0.
- Review stored chat content for suspicious markup or script-like entries.
- Assess input validation and output encoding in a non-production environment.
- Check access logs for unusual chat activity around privileged users.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-79: User-session and phishing behavior lookup
Client-side and session-facing weaknesses should be reviewed alongside initial-access and user-execution behaviors. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupExecution behavior lookup
The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2025-56320 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Medium
- CVSS
- 5.4 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
SSVC decision data
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N2.32.7CISA-ADPVulnerability scoring details
Base CVSS 3.1 score
5.4MediumVector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Vulnerability timeline
Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.
- CVE reservedCVE Program
The CVE ID was reserved by the assigning CNA.
- CVE publishedCVE Program
The CVE record was published.
- CVE updatedCVE Program
The CVE record metadata indicates this as the latest update time.
ADP provider summaries
Source materials
- CVE List V5 sourceCVE List V5
- https://medium.com/@rajput.thakur/stored-xss-in-chat-box-component-cve-2025-56320-87fb10d809e2CVE reference, mitre
- https://www.cobblestonesoftware.com/products/enterprise-contract-management-softwareCVE reference, mitre
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.