Security readout for executives and security teams
Plain-English summary
A vulnerable Credova Financial WordPress plugin can expose the site’s Credova API username and password in plaintext during checkout. The issue affects versions up to and including 1.4.8. This is a credential exposure risk, not a full site takeover based on the provided evidence.
Executive priority
Treat this as a moderate-priority credential exposure issue. Prioritize affected ecommerce sites because leaked Credova API credentials could create business, fraud, or partner-account risk even without evidence of full website compromise.
Technical view
CVE-2021-39342 is a CWE-319 sensitive information disclosure in Credova_Financial for WordPress. When checkout uses the Credova Financing option, an AJAX action can disclose the associated Credova API account username and password in plaintext. CVSS 3.1 is 5.3: network-accessible, low complexity, unauthenticated, confidentiality impact only.
Likely exposure
Exposure is likely limited to WordPress sites using Credova_Financial version 1.4.8 or earlier with Credova Financing enabled on checkout pages.
Exploitation context
The source bundle does not show CISA KEV listing or cited active exploitation. The issue is still meaningful because unauthenticated network access and checkout exposure can disclose third-party API credentials.
Researcher notes
The available sources identify the vulnerable behavior, affected version boundary, CVSS vector, CWE-319 classification, and a WordPress plugin changeset. They do not provide KEV evidence, exploit telemetry, or detailed vendor remediation wording in the bundle.
Mitigation direction
- Inventory WordPress sites for Credova_Financial and identify versions at or below 1.4.8.
- Check WordPress plugin and vendor guidance for a fixed release before re-enabling affected functionality.
- Disable Credova Financing checkout integration if a confirmed fixed version is unavailable.
- Rotate Credova API credentials after remediation if the affected plugin was deployed.
- Review logs for unusual Credova API account activity during the exposure window.
Validation and detection
- Confirm whether Credova_Financial is installed and active on production WordPress sites.
- Confirm installed plugin version is greater than 1.4.8 or otherwise vendor-confirmed fixed.
- Verify checkout pages no longer expose Credova API credentials in client-visible responses.
- Check whether Credova Financing was enabled during the vulnerable period.
- Validate credential rotation with the Credova account owner or administrator.
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-319: Exact CWE lookup
Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. 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 lookupCredential and access behavior lookup
The CVE wording references authentication or credential exposure, so valid-account and credential-access review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2021-39342 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
- 5.3 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/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:L/PR:N/UI:N/S:U/C:L/I:N/A:N3.91.4Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
5.3MediumVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Source materials
- CVE List V5 sourceCVE List V5
- https://www.wordfence.com/vulnerability-advisories/#CVE-2021-39342CVE reference · x_refsource_MISC
- https://plugins.trac.wordpress.org/changeset/2606811/credova-financial/trunk/credova-financial.phpCVE 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.
Cleartext Transmission of Sensitive Information
Cleartext Transmission of Sensitive Information represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.