CVE-2023-5673: The WP Mail Log WordPress plugin before 1.1.3 does not properly validate file extensions uploading files to at

Q: How do I fix CVE-2023-5673?

wp mail log: upgrade to 1.1.3. Exact commands for each OS are on this page.

Q: Is CVE-2023-5673 being exploited?

CVE-2023-5673 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-2023-5673 affect?

CVE-2023-5673 affects wp mail log. Severity is high (CVSS 8.8). The WP Mail Log WordPress plugin before 1.1.3 does not properly validate file extensions uploading files to attach to emails, allowing attackers to upload PHP files, leading to remote code execution.

Q: How urgent is CVE-2023-5673?

Priority 52/100. High severity; Public exploit reference

This month

HIGH 8.8UPGRADE

CVE-2023-5673 is a high-severity flaw (CVSS 8.8) affecting wp mail log. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The WP Mail Log WordPress plugin before 1.1.3 does not properly validate file extensions uploading files to attach to emails, allowing attackers to upload PHP files, leading to remote code execution.

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	1.1% (top 34%)
CISA exploited list	No
Weakness	CWE-434
Published	2023-12-26
Last modified	2026-06-17

Publisher (CNA): WPScan · Vendor: wpvibes

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

Am I affected?

Timeline

2023-12-26 19:15 UTCPublished CVE record published
2026-06-17 06:49 UTCUpdated Record last modified

wpvibes wp mail log UPGRADE

Affected: < 1.1.3

Fixed in: 1.1.3

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy wp-mail-log || rpm -q wp-mail-log || wp-mail-log --version

2. UPGRADE to 1.1.3 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade wp-mail-log

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade wp-mail-log

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-2023-5673?

wp mail log: upgrade to 1.1.3. Exact commands for each OS are on this page.

Is CVE-2023-5673 being exploited?

CVE-2023-5673 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-2023-5673 affect?

CVE-2023-5673 affects wp mail log. Severity is high (CVSS 8.8). The WP Mail Log WordPress plugin before 1.1.3 does not properly validate file extensions uploading files to attach to emails, allowing attackers to upload PHP files, leading to remote code execution.

How urgent is CVE-2023-5673?

Priority 52/100. High severity; Public exploit reference

Software pages

WordPress vulnerabilities · PHP vulnerabilities

Related CVEs

CVE-2023-5674 HIGH 8.8 UPGRADE The WP Mail Log WordPress plugin before 1.1.3 does not properly sanitise and escape a parameter before using i
CVE-2023-5672 MEDIUM 6.5 UPGRADE The WP Mail Log WordPress plugin before 1.1.3 does not properly validate file path parameters when attaching f
CVE-2023-5645 HIGH 8.8 UPGRADE The WP Mail Log WordPress plugin before 1.1.3 does not properly sanitise and escape a parameter before using i
CVE-2023-5644 HIGH 7.6 UPGRADE The WP Mail Log WordPress plugin before 1.1.3 does not correctly authorize its REST API endpoints, allowing us
CVE-2023-51410 CRITICAL 9.9 UPGRADE Unrestricted Upload of File with Dangerous Type vulnerability in WPVibes WP Mail Log.This issue affects WP Mai

References

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