CVE-2023-2009: Plugin does not sanitize and escape the URL field in the Pretty Url WordPress plugin through 1.5.4 settings, w

Q: How do I fix CVE-2023-2009?

pretty url: upgrade to newer than 1.5.4. Exact commands for each OS are on this page.

Q: Is CVE-2023-2009 being exploited?

CVE-2023-2009 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-2023-2009 affect?

CVE-2023-2009 affects pretty url. Severity is medium (CVSS 4.8). Plugin does not sanitize and escape the URL field in the Pretty Url WordPress plugin through 1.5.4 settings, which could allow high-privilege users to perform Stored Cross-Site Scripting attacks even when the unfiltered_html capability is d

Q: How urgent is CVE-2023-2009?

Priority 36/100. Public exploit reference

Routine

MEDIUM 4.8UPGRADE

CVE-2023-2009 is a medium-severity flaw (CVSS 4.8) affecting pretty url. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Plugin does not sanitize and escape the URL field in the Pretty Url WordPress plugin through 1.5.4 settings, which could allow high-privilege users to perform Stored Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed (for example in multisite setup).

Why this priority

Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	4.8 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	High
User interaction	Required
EPSS exploit chance	0.8% (top 43%)
CISA exploited list	No
Weakness	CWE-79
Published	2023-05-15
Last modified	2026-06-17

Publisher (CNA): WPScan · Vendor: pretty url project

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

Am I affected?

Timeline

2023-05-15 13:15 UTCPublished CVE record published
2026-06-17 05:51 UTCUpdated Record last modified

pretty url project pretty url UPGRADE

Affected: <= 1.5.4

Fixed in: newer than 1.5.4

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to newer than 1.5.4 (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade pretty-url

Note

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

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

Nuclei scan template: Pretty Url <= 1.5.4 - Cross-Site Scripting

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-2023-2009?

pretty url: upgrade to newer than 1.5.4. Exact commands for each OS are on this page.

Is CVE-2023-2009 being exploited?

CVE-2023-2009 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-2023-2009 affect?

CVE-2023-2009 affects pretty url. Severity is medium (CVSS 4.8). Plugin does not sanitize and escape the URL field in the Pretty Url WordPress plugin through 1.5.4 settings, which could allow high-privilege users to perform Stored Cross-Site Scripting attacks even when the unfiltered_html capability is d

How urgent is CVE-2023-2009?

Priority 36/100. Public exploit reference

Software pages

WordPress vulnerabilities

References

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