CVE-2023-52181: Deserialization of Untrusted Data vulnerability in Presslabs Theme per user.This issue affects Theme per user:

Q: How do I fix CVE-2023-52181?

theme per user: upgrade to newer than 1.0.1. Exact commands for each OS are on this page.

Q: Is CVE-2023-52181 being exploited?

CVE-2023-52181 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-2023-52181 affect?

CVE-2023-52181 affects theme per user. Severity is critical (CVSS 10.0). Deserialization of Untrusted Data vulnerability in Presslabs Theme per user.This issue affects Theme per user: from n/a through 1.0.1.

Q: How urgent is CVE-2023-52181?

Priority 53/100. Critical severity; Remotely exploitable, no login, no user action

This month

CRITICAL 10.0REMOTEUPGRADE

CVE-2023-52181 is a critical-severity flaw (CVSS 10.0) affecting theme per user. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Deserialization of Untrusted Data vulnerability in Presslabs Theme per user.This issue affects Theme per user: from n/a through 1.0.1.

Why this priority

Critical severity
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	10.0 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.6% (top 49%)
CISA exploited list	No
Weakness	CWE-502
Published	2023-12-31
Last modified	2026-06-17

Publisher (CNA): Patchstack · Vendor: presslabs

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

Am I affected?

Timeline

2023-12-31 10:15 UTCPublished CVE record published
2026-06-17 06:42 UTCUpdated Record last modified

presslabs theme per user UPGRADE

Affected: <= 1.0.1

Fixed in: newer than 1.0.1

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy theme-per-user || rpm -q theme-per-user || theme-per-user --version

2. UPGRADE to newer than 1.0.1 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade theme-per-user

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade theme-per-user

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-2023-52181?

theme per user: upgrade to newer than 1.0.1. Exact commands for each OS are on this page.

Is CVE-2023-52181 being exploited?

CVE-2023-52181 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-2023-52181 affect?

CVE-2023-52181 affects theme per user. Severity is critical (CVSS 10.0). Deserialization of Untrusted Data vulnerability in Presslabs Theme per user.This issue affects Theme per user: from n/a through 1.0.1.

How urgent is CVE-2023-52181?

Priority 53/100. Critical severity; Remotely exploitable, no login, no user action

References

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