CVE-2024-12562: The s2Member Pro plugin for WordPress is vulnerable to PHP Object Injection in all versions up to, and includi

Q: How do I fix CVE-2024-12562?

s2member: upgrade to 250214. Exact commands for each OS are on this page.

Q: Is CVE-2024-12562 being exploited?

CVE-2024-12562 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-2024-12562 affect?

CVE-2024-12562 affects s2member. Severity is critical (CVSS 9.8). The s2Member Pro plugin for WordPress is vulnerable to PHP Object Injection in all versions up to, and including, 241216 via deserialization of untrusted input from the 's2member_pro_remote_op' vulnerable parameter. This makes it possible f

Q: How urgent is CVE-2024-12562?

Priority 55/100. Critical severity; Remotely exploitable, no login, no user action

This month

CRITICAL 9.8REMOTEUPGRADE

CVE-2024-12562 is a critical-severity flaw (CVSS 9.8) affecting s2member. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The s2Member Pro plugin for WordPress is vulnerable to PHP Object Injection in all versions up to, and including, 241216 via deserialization of untrusted input from the 's2member_pro_remote_op' vulnerable parameter. This makes it possible for unauthenticated attackers to inject a PHP Object. No known POP chain is present in the vulnerable software. If a POP chain is present via an additional plugin or theme installed on the target system, it coul

Why this priority

Critical severity
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.9% (top 39%)
CISA exploited list	No
Weakness	CWE-502
Published	2025-02-15
Last modified	2026-06-17

Publisher (CNA): Wordfence · Vendor: s2member

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

Am I affected?

Timeline

2025-02-15 10:15 UTCPublished CVE record published
2026-06-17 06:59 UTCUpdated Record last modified

s2member s2member UPGRADE

Affected: < 250214

Fixed in: 250214

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy s2member || rpm -q s2member || s2member --version

2. UPGRADE to 250214 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade s2member

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade s2member

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-2024-12562?

s2member: upgrade to 250214. Exact commands for each OS are on this page.

Is CVE-2024-12562 being exploited?

CVE-2024-12562 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-2024-12562 affect?

CVE-2024-12562 affects s2member. Severity is critical (CVSS 9.8). The s2Member Pro plugin for WordPress is vulnerable to PHP Object Injection in all versions up to, and including, 241216 via deserialization of untrusted input from the 's2member_pro_remote_op' vulnerable parameter. This makes it possible f

How urgent is CVE-2024-12562?

Priority 55/100. Critical severity; Remotely exploitable, no login, no user action

Software pages

WordPress vulnerabilities · PHP vulnerabilities

Related CVEs

CVE-2024-11376 MEDIUM 6.1 UPGRADE The s2Member – Excellent for All Kinds of Memberships, Content Restriction Paywalls & Member Access Subscripti

References

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