CVE-2024-33556 | WordPress XStore Core plugin <= 5.3.8 - Limited Arbitrary File Upload vulnerability

Unrestricted Upload of File with Dangerous Type vulnerability in 8theme XStore Core.This issue affects XStore Core: from n/a through 5.3.8.

Published: 2024-05-17 Last update: 2025-03-03 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2024-33556 is rated Moderate Risk (58.9/100): CVSS High severity, with medium exploitation likelihood (EPSS 0.84%). Mandatory action: Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2024-33556

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2025-11-21 0.70% 0.84% +0.14%
2 2025-11-18 0.84% 0.70% -0.14%
3 2025-06-29 0.84%

Full EPSS history (14 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2024-33556

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
8.2 3.1 HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:N)
Doesn’t really leak secrets in a meaningful way.
Integrity (I:L)
Attackers could change some data, but it’s limited—not everything goes.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
3.9 4.2 [email protected]
9.8 3.1 CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:H)
They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
3.9 5.9 [email protected]

Weakness enumeration for CVE-2024-33556

Affected software / configurations for CVE-2024-33556

Vendor Product Version Raw CPE
8theme xstore_core < 5.3.9 cpe:2.3:a:8theme:xstore_core:*:*:*:*:*:wordpress:*:*

References for CVE-2024-33556

cvelogic Threat Intelligence