CVE-2024-33553: Deserialization of Untrusted Data vulnerability in 8theme XStore Core.This issue affects XStore Core: from n/a

Q: How do I fix CVE-2024-33553?

xstore core: upgrade to 5.3.9. Exact commands for each OS are on this page.

Q: Is CVE-2024-33553 being exploited?

CVE-2024-33553 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-2024-33553 affect?

CVE-2024-33553 affects xstore core. Severity is critical (CVSS 9.0). Deserialization of Untrusted Data vulnerability in 8theme XStore Core.This issue affects XStore Core: from n/a through 5.3.5.

Q: How urgent is CVE-2024-33553?

Priority 48/100. Critical severity; Remotely exploitable, no login, no user action

This month

CRITICAL 9.0REMOTEUPGRADE

CVE-2024-33553 is a critical-severity flaw (CVSS 9.0) affecting xstore core. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Deserialization of Untrusted Data vulnerability in 8theme XStore Core.This issue affects XStore Core: from n/a through 5.3.5.

Why this priority

Critical severity
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	9.0 (Critical)
Attack vector	Network (remote)
Attack complexity	High
Privileges needed	None
User interaction	None
EPSS exploit chance	0.6% (top 53%)
CISA exploited list	No
Weakness	CWE-502
Published	2024-04-29
Last modified	2026-06-17

Publisher (CNA): Patchstack · Vendor: 8theme

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

Am I affected?

Timeline

2024-04-29 08:15 UTCPublished CVE record published
2026-06-17 07:31 UTCUpdated Record last modified

8theme xstore core UPGRADE

Affected: < 5.3.9

Fixed in: 5.3.9

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy xstore-core || rpm -q xstore-core || xstore-core --version

2. UPGRADE to 5.3.9 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade xstore-core

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade xstore-core

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-2024-33553?

xstore core: upgrade to 5.3.9. Exact commands for each OS are on this page.

Is CVE-2024-33553 being exploited?

CVE-2024-33553 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-2024-33553 affect?

CVE-2024-33553 affects xstore core. Severity is critical (CVSS 9.0). Deserialization of Untrusted Data vulnerability in 8theme XStore Core.This issue affects XStore Core: from n/a through 5.3.5.

How urgent is CVE-2024-33553?

Priority 48/100. Critical severity; Remotely exploitable, no login, no user action

Related CVEs

CVE-2024-33558 MEDIUM 6.5 UPGRADE Missing Authorization vulnerability in 8theme XStore Core.This issue affects XStore Core: from n/a through 5.3
CVE-2024-33556 HIGH 8.2 UPGRADE Unrestricted Upload of File with Dangerous Type vulnerability in 8theme XStore Core.This issue affects XStore
CVE-2024-33555 HIGH 8.1 UPGRADE Missing Authorization vulnerability in 8theme XStore Core.This issue affects XStore Core: from n/a through 5.3
CVE-2024-33554 HIGH 7.1 UPGRADE Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in 8theme X
CVE-2024-33552 CRITICAL 9.8 UPGRADE Improper Privilege Management vulnerability in 8theme XStore Core allows Privilege Escalation.This issue affec

References

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