Security readout for executives and security teams
Plain-English summary
CVE-2020-28849 is a reported cross-site scripting issue in ChurchCRM 4.2.1. A crafted value in the Add New Deposit field within the View All Deposit module could run script in a user’s browser and expose sensitive information. Public sources do not provide severity scoring or confirmed exploitation.
Executive priority
Treat this as a targeted application risk rather than a confirmed emergency. Prioritize if ChurchCRM 4.2.1 is internet-accessible, broadly used by staff, or stores sensitive donor or financial information.
Technical view
The CVE description identifies an XSS flaw in ChurchCRM 4.2.1 involving crafted input submitted through the deposit workflow. The source bundle does not confirm affected CPEs, authentication prerequisites, exploit maturity, CVSS metrics, or a vendor-fixed version.
Likely exposure
Likely exposure is limited to organizations running ChurchCRM 4.2.1 and using the View All Deposit/Add New Deposit functionality. The sources do not establish whether other versions are affected or whether the vulnerable page is externally reachable.
Exploitation context
The CVE is not listed as KEV in the provided data. The available evidence supports a public report of XSS, but not active exploitation, weaponization, or reliable public attack prevalence.
Researcher notes
Evidence is sparse: no CVSS, CWE, affected CPE, patch reference, or exploitation confirmation is included. Analysis should stay tied to ChurchCRM 4.2.1 and the deposit workflow unless vendor records show broader impact.
Mitigation direction
- Check ChurchCRM vendor guidance and issue updates for a fixed release.
- If a fixed release is identified, upgrade after testing.
- Restrict deposit-management access to trusted authenticated users.
- Review deposit records for suspicious or unexpected script-like content.
- Avoid opening suspect deposit entries until reviewed.
Validation and detection
- Confirm whether ChurchCRM 4.2.1 is deployed anywhere.
- Identify who can access the View All Deposit module.
- Review logs and records for unusual deposit-field content.
- Check vendor issue history for patch or workaround details.
- Verify input handling after any vendor-supported update.
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
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Execution 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-2020-28849 mapping review
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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://github.com/ChurchCRM/CRM/issues/5477CVE reference
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.