sales@hackhalt.com

Home / Threats / CVE-2023-2921

Short Url - SQL Injection (CVE-2023-2921)

CVE-2023-2921

The Short URL WordPress plugin through 1.6.8 does not properly sanitise and escape a parameter before using it in SQL statement, leading to a SQL injection exploitable by users with relatively low privilege on the site, like subscribers.

CVE-2023-2921

HIGH CVSS 8.8 Published 2025-06-06 Updated 2025-06-10
AI Risk High (78/100) Active Exploit: No strong signal Published Exploit: No public exploit references Priority: P2 Urgent
Severity Band HIGH
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected Components 1
Reference Links 1
AI Risk Engine High (78/100)
Exploitability High
Active Exploitation No strong signal
Published Exploit Status No public exploit references

Threat Timeline

  1. 2025-06-06 CVE published and first recorded in the threat feed.
  2. 2025-06-10 Record updated with latest vulnerability metadata.
  3. 2026-04-09 AI technical context refreshed for mitigation and impact guidance.
  4. Now Monitoring for follow-up changes, linked references, and new related CVEs.

AI Context

Machine-generated threat intelligence

AI Updated 153 days ago

AI enriched 153 days ago (2026-04-09 08:21 UTC)

Technical Summary

The Short URL WordPress plugin through 1.6.8 does not properly sanitise and escape a parameter before using it in SQL statement, leading to a SQL injection exploitable by users with relatively low privilege on the site, like subscribers.

Potential Impact

Severity is HIGH (CVSS 8.8). Depending on deployment context, affected components may be exposed to unauthorized actions or data integrity risk.

Exploitability Assessment

Exploitability is assessed as High based on severity and technical exposure profile.

Primary risk drivers: severity and technical exposure profile

Mitigation Recommendations

Validate affected product versions, prioritize patching, and monitor references for vendor remediation guidance. If immediate patching is not possible, apply compensating controls and limit exposure of vulnerable surfaces.

Detection & Monitoring

Track authentication anomalies, unexpected file writes, and suspicious plugin API activity around affected components.

Business Impact Lens

Prioritize remediation where affected components process customer data, admin sessions, or Internet-exposed workflows.

Affected Products

Short Url PLUGIN · short-url Affected: < 1.6.8 Fixed in: 1.6.8

References

What to do about this

Patch promptly The consequence is significant even where an attacker needs a foothold first.

Fix it

Update Short Url to 1.6.8 or later.

That is the complete fix. Everything below is what protects you in the meantime.

Cannot update today? Request / payload inspection (WAF) in Hack Halt ProSecure blocks this class of attack before WordPress processes the request.

Inspect request parameters and bodies for injection, traversal and file-inclusion payloads, and refuse the request rather than logging it.

Compare Hack Halt plans Start free

Not sure if you are affected?

Scan your site to see whether it runs Short Url, and at which version.

Free, no installation, no account. It reads what your site already publishes, then tells you which plugins carry known vulnerabilities and what to do about each one.

Scan my site free See what Hack Halt does

Am I affected by this vulnerability?

You are affected if your site runs Short Url. Versions below 1.6.8 are vulnerable; that release and later are not.

How do I fix it?

Update Short Url to version 1.6.8 or later. That is the complete fix. Until you can update, Request / payload inspection (WAF) in Hack Halt ProSecure contains this class of attack at the request layer.

What can an attacker actually do?

This is a SQL Injection flaw. An attacker who exploits it can read, alter or delete anything in the site database, including user accounts and password hashes.