Security readout for executives and security teams
Plain-English summary
CVE-2021-38350 is a reflected cross-site scripting issue in the spideranalyse WordPress plugin through version 0.0.1. A victim must be tricked into opening a crafted request, after which script could run in their browser in the affected site context.
Executive priority
Treat as a moderate web risk. Prioritize remediation where the plugin is present on public WordPress sites or used by administrators, but there is no source-backed evidence here of active exploitation.
Technical view
The vulnerability is CWE-79 reflected XSS via the date parameter in ~/analyse/index.php. The CVSS 3.1 score is 6.1, with network access, low attack complexity, no privileges required, required user interaction, changed scope, and low confidentiality and integrity impact.
Likely exposure
Exposure appears limited to WordPress sites with spideranalyse version 0.0.1 or earlier installed and reachable. The source bundle does not identify other affected products or versions.
Exploitation context
The bundle does not show CISA KEV listing or cited evidence of active exploitation. Practical exploitation requires user interaction, usually by getting a target to open a crafted link or request.
Researcher notes
Evidence is concise and source-backed: CVE description, Wordfence advisory, and WordPress plugin source reference. Patch availability is not stated in the provided bundle, so remediation should be verified against current vendor or repository guidance.
Mitigation direction
- Inventory WordPress sites for the spideranalyse plugin and affected versions.
- Check WordPress or vendor guidance for a fixed release or retirement status.
- Disable or remove the plugin if no trusted fixed version is available.
- Apply normal XSS defenses: encode output and validate the date parameter.
Validation and detection
- Confirm whether spideranalyse is installed and enabled on each WordPress site.
- Verify installed plugin version is 0.0.1 or earlier.
- Inspect analyse/index.php date handling for missing sanitization or output escaping.
- Review web logs for unusual requests involving the plugin analyse path and date parameter.
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-2021-38350 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-2021-38350CVE reference · x_refsource_MISC
- https://plugins.trac.wordpress.org/browser/spideranalyse/trunk/analyse/index.php#L33CVE 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.