Security readout for executives and security teams
Plain-English summary
MoolaMojo for WordPress through version 0.7.4.1 has a reflected cross-site scripting issue. An attacker could craft a link that runs script in a user’s browser if the user opens it. This is most concerning for WordPress admin users because browser-based actions may affect site integrity.
Executive priority
Treat this as a moderate-priority web application risk. It is not documented as actively exploited in the provided sources, but WordPress admin exposure makes timely inventory and plugin remediation appropriate.
Technical view
CVE-2021-38358 is CWE-79 reflected XSS in the MoolaMojo WordPress plugin via the classes parameter in views/button-generator.html.php. The CVSS 3.1 score is 6.1, with network attack vector, low complexity, no privileges required, and required user interaction.
Likely exposure
Exposure is limited to WordPress sites running the MoolaMojo plugin through 0.7.4.1. Sites without this plugin are not affected based on the provided sources.
Exploitation context
The bundle does not show CISA KEV listing or confirmed active exploitation. Exploitation requires a victim to interact with attacker-controlled content, consistent with reflected XSS and the CVSS UI:R rating.
Researcher notes
Evidence identifies the vulnerable parameter and file, but the bundle does not name a patched version or vendor mitigation. Avoid assuming exploit maturity beyond reflected XSS behavior and the provided CVSS vector.
Mitigation direction
- Inventory WordPress sites for the MoolaMojo plugin and installed version.
- Check Wordfence, WordPress plugin, or vendor guidance for a fixed version or retirement status.
- Update the plugin if a trusted fixed release is available.
- Disable or remove the plugin where it is not business-critical.
- Prioritize admin-facing WordPress sites and high-privilege users first.
Validation and detection
- Confirm whether MoolaMojo is installed on each WordPress site.
- Verify installed versions are not 0.7.4.1 or earlier.
- Review WordPress logs for suspicious requests involving the classes parameter.
- Check whether administrators received unusual links targeting plugin pages.
- Validate remediation in staging before production rollout.
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 lookupCVE-2021-38358 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
- 6.1 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/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.
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:R/S:C/C:L/I:L/A:N2.82.7Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
6.1MediumVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Source materials
- CVE List V5 sourceCVE List V5
- https://www.wordfence.com/vulnerability-advisories/#CVE-2021-38358CVE reference · x_refsource_MISC
- https://plugins.trac.wordpress.org/browser/moolamojo/trunk/views/button-generator.html.php#L16CVE 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.
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.