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CVE-2023-1602: The Short URL plugin for WordPress is vulnerable to stored Cross-Site Scripting via the 'comment' parameter du

24
Routine
MEDIUM 4.4UPGRADE

CVE-2023-1602 is a medium-severity flaw (CVSS 4.4) affecting short url. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The Short URL plugin for WordPress is vulnerable to stored Cross-Site Scripting via the 'comment' parameter due to insufficient input sanitization and output escaping in versions up to, and including, 1.6.4. This makes it possible for authenticated attackers, with administrator-level permissions and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Why this priority

  • No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score4.4 (Medium)
Attack vectorNetwork (remote)
Attack complexityHigh
Privileges neededHigh
User interactionNone
EPSS exploit chance0.4% (top 65%)
CISA exploited listNo
Published2023-06-29
Last modified2026-06-17
Publisher (CNA): Wordfence · Vendor: kaizencoders

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

Am I affected?

Timeline

kaizencoders short url UPGRADE
Affected: <= 1.6.4
Fixed in: newer than 1.6.4
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 newer than 1.6.4 (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-2023-1602?

short url: upgrade to newer than 1.6.4. Exact commands for each OS are on this page.

Is CVE-2023-1602 being exploited?

CVE-2023-1602 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-2023-1602 affect?

CVE-2023-1602 affects short url. Severity is medium (CVSS 4.4). The Short URL plugin for WordPress is vulnerable to stored Cross-Site Scripting via the 'comment' parameter due to insufficient input sanitization and output escaping in versions up to, and including, 1.6.4. This makes it possible for authe

How urgent is CVE-2023-1602?

Priority 24/100. No elevated risk signals yet.

Software pages

WordPress vulnerabilities

Related CVEs

References

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