CVE-2023-2921: The Short URL WordPress plugin through 1.6.8 does not properly sanitise and escape a parameter before using it

Q: How do I fix CVE-2023-2921?

short url: upgrade to 1.6.8. Exact commands for each OS are on this page.

Q: Is CVE-2023-2921 being exploited?

CVE-2023-2921 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2023-2921 affect?

CVE-2023-2921 affects short url. Severity is high (CVSS 8.8). 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.

Q: How urgent is CVE-2023-2921?

Priority 45/100. High severity; Public exploit reference

This month

HIGH 8.8UPGRADE

CVE-2023-2921 is a high-severity flaw (CVSS 8.8) affecting short url. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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.

Why this priority

High severity
Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	8.8 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.4% (top 62%)
CISA exploited list	No
Weakness	CWE-89
Published	2025-06-06
Last modified	2026-06-17

Publisher (CNA): WPScan · Vendor: kaizencoders

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2025-06-06 06:15 UTCPublished CVE record published
2026-06-17 05:53 UTCUpdated Record last modified

kaizencoders short url UPGRADE

Affected: < 1.6.8

Fixed in: 1.6.8

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy short-url || rpm -q short-url || short-url --version

2. UPGRADE to 1.6.8 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade short-url

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade short-url

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2023-2921?

short url: upgrade to 1.6.8. Exact commands for each OS are on this page.

Is CVE-2023-2921 being exploited?

CVE-2023-2921 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2023-2921 affect?

CVE-2023-2921 affects short url. Severity is high (CVSS 8.8). 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.

How urgent is CVE-2023-2921?

Priority 45/100. High severity; Public exploit reference

Software pages

WordPress vulnerabilities

Related CVEs

CVE-2024-32138 HIGH 7.1 UPGRADE Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in KaizenCo

References

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