Security readout for executives and security teams
Plain-English summary
Deskpro installations matching the reported 2020.2.3.48207 release may allow stored XSS through custom email templates. The reported impact is account takeover, making this potentially serious for support platforms handling customer communications and privileged agent accounts.
Executive priority
Prioritize if Deskpro is used for customer support or privileged workflows. Account takeover risk can affect customer data, agent trust, and operational continuity.
Technical view
The source bundle describes a cross-site scripting vulnerability in Deskpro Cloud Platform and on-premise 2020.2.3.48207 from 2020-07-30. The vector is custom email templates, with account takeover listed as the potential outcome. CVSS, CWE, CPE, and broader affected-version data are not provided.
Likely exposure
Exposure appears limited to Deskpro Cloud Platform and on-premise 2020.2.3.48207, based on the provided record. No other versions or products are confirmed in the source bundle.
Exploitation context
The record references a public stored-XSS writeup, but the bundle does not show KEV listing or confirmed active exploitation. Treat exploit status as unconfirmed.
Researcher notes
Evidence is thin: no CVSS, CWE, CPE, or vendor fix details are included. The strongest claims are stored XSS, custom email template vector, exact Deskpro release, and account takeover impact.
Mitigation direction
- Check Deskpro vendor guidance for fixed versions or official mitigation.
- Inventory Deskpro Cloud and on-premise deployments for version 2020.2.3.48207.
- Restrict custom email template editing to trusted administrators.
- Review custom email templates for suspicious or untrusted content.
- Monitor Deskpro accounts for unusual sessions, password resets, or permission changes.
Validation and detection
- Confirm whether any Deskpro deployment matches version 2020.2.3.48207.
- Review who can create or modify custom email templates.
- Inspect current templates for unexpected script-like or external content.
- Check authentication and audit logs for account takeover indicators.
- Validate remediation in a controlled test environment, avoiding weaponized payloads.
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.
CVE-2020-28722 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
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
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.
CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://www.r29k.com/articles/bb/stored-xss-in-deskproCVE reference · x_refsource_MISC
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.