Security readout for executives and security teams
Plain-English summary
This vulnerability can let a logged-in attacker place spreadsheet formulas into CSV exports from the WordPress Jackmail newsletters plugin. The business risk appears when staff open the exported file in spreadsheet software, potentially causing unwanted formula behavior and data integrity impact.
Executive priority
Handle during normal vulnerability remediation, with higher priority if the plugin is present on public WordPress sites or CSV exports are routinely opened by staff. This is not currently evidenced as actively exploited in the supplied sources.
Technical view
CVE-2022-46821 is CWE-1236 CSV formula injection in Emails & Newsletters with Jackmail through version 1.2.22. CVSS 3.1 is 5.8 with network attack vector, low privileges, high complexity, required user interaction, changed scope, and high integrity impact.
Likely exposure
Exposure is limited to WordPress sites running the Jackmail newsletters plugin at version 1.2.22 or earlier, especially where lower-privileged users can influence exported CSV data and administrators or staff open those exports.
Exploitation context
The provided sources do not show CISA KEV listing or active exploitation. Exploitation requires privileges in WordPress and user interaction by someone opening a generated CSV file, which lowers urgency but leaves meaningful integrity risk.
Researcher notes
Evidence is sparse: the bundle identifies affected product, version range, CWE, CVSS, and Patchstack entry, but does not provide exploit telemetry or a named patch. Avoid assuming broader Jackmail products or unrelated WordPress newsletter plugins are affected.
Mitigation direction
- Inventory WordPress sites for the Jackmail newsletters plugin and installed version.
- Check vendor or Patchstack guidance for any available fixed version or official workaround.
- Disable or remove the plugin where it is not business-critical.
- Restrict newsletter export access to trusted administrative users only.
- Treat CSV exports from affected sites as untrusted until remediated.
Validation and detection
- Confirm whether jackmail-newsletters is installed and whether the version is 1.2.22 or earlier.
- Review which WordPress roles can create newsletter data or trigger CSV exports.
- Verify CSV export handling in a safe test environment, without using production data.
- Check administrative workflows for opening exported CSV files from affected sites.
- Document remediation status for each WordPress instance.
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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CWE-1236: Exact CWE lookup
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Open ATT&CK lookupCVE-2022-46821 mapping review
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Open ATT&CK lookup- Severity
- Medium
- CVSS
- 5.8 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:N/I:H/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.
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:H/PR:L/UI:R/S:C/C:N/I:H/A:N1.34Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
5.8MediumVector: CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:N/I:H/A:N
Source materials
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 Formula Elements in a CSV File
Improper Neutralization of Formula Elements in a CSV File represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.