Security readout for executives and security teams
Plain-English summary
This WordPress plugin flaw let unauthenticated visitors export a site’s redirect data. That can expose site structure, marketing or migration mappings, and potentially sensitive destination URLs. It is not described as code execution or account takeover in the provided sources.
Executive priority
Treat as a timely WordPress hygiene fix. It is not evidenced as actively exploited, but unauthenticated data export is avoidable exposure and should be remediated on affected sites.
Technical view
CVE-2021-24352 is a missing authorization issue in the Simple 301 Redirects by BetterLinks export_data function before version 2.0.4. The function lacked capability and nonce checks, allowing unauthenticated redirect export. The weakness is mapped to CWE-862.
Likely exposure
Exposure is limited to WordPress sites running Simple 301 Redirects by BetterLinks versions 2.0.0 through 2.0.3. Sites already updated to 2.0.4 or later are not identified as affected in the provided sources.
Exploitation context
The source bundle does not show CISA KEV listing or cited evidence of active exploitation. The practical risk is unauthenticated disclosure of redirect configuration, which can assist reconnaissance or reveal sensitive URL relationships.
Researcher notes
The provided evidence identifies missing capability and nonce checks in export_data before 2.0.4. No CVSS vector, exploit status, or detailed patch diff is included in the bundle, so impact assessment should remain bounded to redirect export disclosure.
Mitigation direction
- Upgrade Simple 301 Redirects by BetterLinks to version 2.0.4 or later.
- Check vendor, WPScan, and Wordfence guidance for any additional remediation notes.
- Restrict public access to administrative export functionality where supported.
- Review redirect entries for sensitive destination URLs or internal references.
Validation and detection
- Inventory WordPress sites for the Simple 301 Redirects by BetterLinks plugin.
- Confirm installed versions are not 2.0.0 through 2.0.3.
- Review web logs for unauthenticated access to redirect export functionality.
- Verify redirect data does not contain sensitive or internal-only URLs.
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-862: Authorization and privilege behavior lookup
Authorization weaknesses can support privilege escalation and valid-account review, depending on exploit path. 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-2021-24352 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
- 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://wpscan.com/vulnerability/d770f1fa-7652-465a-833c-b7178146847dCVE reference · x_refsource_CONFIRM
- https://www.wordfence.com/blog/2021/05/severe-vulnerabilities-patched-in-simple-301-redirects-by-betterlinks-plugin/CVE 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.
Missing Authorization
Missing Authorization represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.