CVE-2024-4611: The AppPresser plugin for WordPress is vulnerable to improper missing encryption exception handling on the 'de

Q: How do I fix CVE-2024-4611?

apppresser: upgrade to 4.4.0. Exact commands for each OS are on this page.

Q: Is CVE-2024-4611 being exploited?

CVE-2024-4611 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-2024-4611 affect?

CVE-2024-4611 affects apppresser. Severity is high (CVSS 8.1). The AppPresser plugin for WordPress is vulnerable to improper missing encryption exception handling on the 'decrypt_value' and on the 'doCookieAuth' functions in all versions up to, and including, 4.3.2. This makes it possible for unauthent

Q: How urgent is CVE-2024-4611?

Priority 44/100. High severity; Remotely exploitable, no login, no user action

This month

HIGH 8.1REMOTEUPGRADE

CVE-2024-4611 is a high-severity flaw (CVSS 8.1) affecting apppresser. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The AppPresser plugin for WordPress is vulnerable to improper missing encryption exception handling on the 'decrypt_value' and on the 'doCookieAuth' functions in all versions up to, and including, 4.3.2. This makes it possible for unauthenticated attackers to log in as any existing user on the site, such as an administrator, if they previously used the login via the plugin API. This can only be exploited if the 'openssl' php extension is not load

Why this priority

High severity
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	8.1 (High)
Attack vector	Network (remote)
Attack complexity	High
Privileges needed	None
User interaction	None
EPSS exploit chance	0.5% (top 57%)
CISA exploited list	No
Weakness	CWE-703, CWE-754
Published	2024-05-29
Last modified	2026-06-17

Publisher (CNA): Wordfence · Vendor: apppresser

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

Am I affected?

Timeline

2024-05-29 05:16 UTCPublished CVE record published
2026-06-17 08:02 UTCUpdated Record last modified

apppresser apppresser UPGRADE

Affected: < 4.4.0

Fixed in: 4.4.0

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to 4.4.0 (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade apppresser

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-2024-4611?

apppresser: upgrade to 4.4.0. Exact commands for each OS are on this page.

Is CVE-2024-4611 being exploited?

CVE-2024-4611 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-2024-4611 affect?

CVE-2024-4611 affects apppresser. Severity is high (CVSS 8.1). The AppPresser plugin for WordPress is vulnerable to improper missing encryption exception handling on the 'decrypt_value' and on the 'doCookieAuth' functions in all versions up to, and including, 4.3.2. This makes it possible for unauthent

How urgent is CVE-2024-4611?

Priority 44/100. High severity; Remotely exploitable, no login, no user action

Software pages

OpenSSL vulnerabilities · WordPress vulnerabilities · PHP vulnerabilities

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References

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