CVE-2025-28074: phpList before 3.6.15 is vulnerable to Cross-Site Scripting (XSS) due to improper input sanitization in lt.php

Q: How do I fix CVE-2025-28074?

phplist: upgrade to 3.6.15. Exact commands for each OS are on this page.

Q: Is CVE-2025-28074 being exploited?

CVE-2025-28074 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-2025-28074 affect?

CVE-2025-28074 affects phplist. Severity is medium (CVSS 6.1). phpList before 3.6.15 is vulnerable to Cross-Site Scripting (XSS) due to improper input sanitization in lt.php. The vulnerability is exploitable when the application dynamically references internal paths and processes untrusted input withou

Q: How urgent is CVE-2025-28074?

Priority 34/100. No elevated risk signals yet.

Routine

MEDIUM 6.1UPGRADE

CVE-2025-28074 is a medium-severity flaw (CVSS 6.1) affecting phplist. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

phpList before 3.6.15 is vulnerable to Cross-Site Scripting (XSS) due to improper input sanitization in lt.php. The vulnerability is exploitable when the application dynamically references internal paths and processes untrusted input without escaping, allowing an attacker to inject malicious JavaScript.

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	6.1 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	0.6% (top 49%)
CISA exploited list	No
Weakness	CWE-79
Published	2025-05-08
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: phplist

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

Am I affected?

Timeline

2025-05-08 21:15 UTCPublished CVE record published
2026-06-17 09:04 UTCUpdated Record last modified

phplist phplist UPGRADE

Affected: < 3.6.15

Fixed in: 3.6.15

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy phplist || rpm -q phplist || phplist --version

2. UPGRADE to 3.6.15 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade phplist

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade phplist

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-2025-28074?

phplist: upgrade to 3.6.15. Exact commands for each OS are on this page.

Is CVE-2025-28074 being exploited?

CVE-2025-28074 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-2025-28074 affect?

CVE-2025-28074 affects phplist. Severity is medium (CVSS 6.1). phpList before 3.6.15 is vulnerable to Cross-Site Scripting (XSS) due to improper input sanitization in lt.php. The vulnerability is exploitable when the application dynamically references internal paths and processes untrusted input withou

How urgent is CVE-2025-28074?

Priority 34/100. No elevated risk signals yet.

Software pages

PHP vulnerabilities

Related CVEs

CVE-2025-28073 MEDIUM 6.1 UPGRADE phpList before 3.6.15 is vulnerable to Reflected Cross-Site Scripting (XSS) via the /lists/dl.php endpoint

References

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