Security readout for executives and security teams
Plain-English summary
This issue affects the Broken Link Manager WordPress plugin through version 0.6.5. A logged-in administrator could trigger an unsafe database query through an unsanitized URL parameter. The sources do not provide a CVSS score, a confirmed fixed version, or evidence of active exploitation.
Executive priority
Treat this as a targeted WordPress plugin risk, not an internet-wide emergency. Prioritize sites with many administrators, weak admin controls, or sensitive data, especially where the plugin is still installed.
Technical view
CVE-2021-24550 is a CWE-89 SQL injection in the plugin's URL edit retrieval path. The url GET parameter is not sanitized, validated, or escaped before use in a SQL statement. The reported prerequisite is authenticated admin-level access, limiting broad internet exposure.
Likely exposure
Exposure is likely limited to WordPress sites that installed Broken Link Manager version 0.6.5 or earlier and allow administrator access to untrusted or compromised accounts.
Exploitation context
No source in the bundle states active exploitation, and the CVE is not marked KEV. Practical abuse appears to require admin authentication, so account compromise or malicious administrator access is the most relevant scenario.
Researcher notes
The public record is sparse: no CVSS vector, no patch version, and no exploit status beyond the admin-authenticated SQL injection description. Avoid assuming unauthenticated reachability or active exploitation without additional evidence.
Mitigation direction
- Inventory WordPress sites for Broken Link Manager through version 0.6.5.
- Check vendor, WordPress plugin, and WPScan guidance for a maintained fixed release.
- Disable or remove the plugin if no trusted fixed version is available.
- Restrict administrator access and enforce MFA for WordPress admin accounts.
- Review database and site backups before making remediation changes.
Validation and detection
- Confirm installed plugin name and version on each WordPress instance.
- Verify whether administrator accounts are limited to trusted users.
- Review admin activity logs for unusual plugin URL-editing activity.
- Check database logs for abnormal queries if logging is available.
- Document remediation status for every affected WordPress site.
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-89: Database access and collection lookup
Injection into data stores can inform collection, data access, and exfiltration detection reviews. 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 lookupDatabase behavior lookup
The CVE wording references database injection or access, so collection and exfiltration review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2021-24550 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/1bf65448-689c-474d-a566-c9b6797d3e4aCVE reference · x_refsource_MISC
- https://codevigilant.com/disclosure/2021/wp-plugin-broken-link-manager/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.