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

Q: How do I fix CVE-2025-28073?

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

Q: Is CVE-2025-28073 being exploited?

CVE-2025-28073 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-2025-28073 affect?

CVE-2025-28073 affects phplist. Severity is medium (CVSS 6.1). phpList before 3.6.15 is vulnerable to Reflected Cross-Site Scripting (XSS) via the /lists/dl.php endpoint. An attacker can inject arbitrary JavaScript code by manipulating the id parameter, which is improperly sanitized.

Q: How urgent is CVE-2025-28073?

Priority 34/100. No elevated risk signals yet.

Routine

MEDIUM 6.1UPGRADE

CVE-2025-28073 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 Reflected Cross-Site Scripting (XSS) via the /lists/dl.php endpoint. An attacker can inject arbitrary JavaScript code by manipulating the id parameter, which is improperly sanitized.

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 50%)
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 20:15 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-2025-28073?

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

Is CVE-2025-28073 being exploited?

CVE-2025-28073 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-2025-28073 affect?

CVE-2025-28073 affects phplist. Severity is medium (CVSS 6.1). phpList before 3.6.15 is vulnerable to Reflected Cross-Site Scripting (XSS) via the /lists/dl.php endpoint. An attacker can inject arbitrary JavaScript code by manipulating the id parameter, which is improperly sanitized.

How urgent is CVE-2025-28073?

Priority 34/100. No elevated risk signals yet.

Software pages

PHP vulnerabilities

Related CVEs

CVE-2025-28074 MEDIUM 6.1 UPGRADE phpList before 3.6.15 is vulnerable to Cross-Site Scripting (XSS) due to improper input sanitization in lt.php

References

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