How severe is CVE-2023-50038?

CVE-2023-50038 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-50038 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (53rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-50038?

CVE-2023-50038 affects Textpattern. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-50038?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2023-50038 published?

CVE-2023-50038 was published on 2023-12-28 and last updated on 2026-06-17.

CVE-2023-50038

CVE-2023-50038 is a high-severity vulnerability in Textpattern with a CVSS 3.x base score of 8.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-434.

Key facts

Severity: High (CVSS 3.x base score 8.8)
EPSS exploit prediction: 1% (53rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-434
Affected product: Textpattern
Published: 2023-12-28
Last modified: 2026-06-17

Description

There is an arbitrary file upload vulnerability in the background of textpattern cms v4.8.8, which leads to the loss of server permissions.

Frequently asked questions

What is CVE-2023-50038?: There is an arbitrary file upload vulnerability in the background of textpattern cms v4.8.8, which leads to the loss of server permissions.
How severe is CVE-2023-50038?: CVE-2023-50038 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-50038 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (53rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-50038?: CVE-2023-50038 affects Textpattern. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-50038?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2023-50038 published?: CVE-2023-50038 was published on 2023-12-28 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:textpattern:textpattern:4.8.8:-:*:*:*:*:*:*

More vulnerabilities in Textpattern

CVE-2020-19510 — Critical (CVSS 9.8): Textpattern 4.7.3 contains an aribtrary file load via the file_insert function in include/txp_file.php.
CVE-2018-7474 — Critical (CVSS 9.8): An issue was discovered in Textpattern CMS 4.6.2 and earlier. It is possible to inject SQL code in the variable "qty"…
CVE-2023-24269 — High (CVSS 8.8): An arbitrary file upload vulnerability in the plugin upload function of Textpattern v4.8.8 allows attackers to execute…
CVE-2020-29458 — High (CVSS 8.8): Textpattern CMS 4.6.2 allows CSRF via the prefs subsystem.
CVE-2021-44082 — High (CVSS 8.3): textpattern 4.8.7 is vulnerable to Cross Site Scripting (XSS) via /textpattern/index.php,Body. A remote and…
CVE-2018-1000090 — High (CVSS 7.5): textpattern version version 4.6.2 contains a XML Injection vulnerability in Import XML feature that can result in…

All CVEs affecting Textpattern →

Other CWE-434 (Unrestricted Upload of File with Dangerous Type) vulnerabilities

CVE-2026-48283 — Critical (CVSS 10.0): ColdFusion versions 2025.9, 2023.20 and earlier are affected by an Unrestricted Upload of File with Dangerous Type…
CVE-2026-48276 — Critical (CVSS 10.0): ColdFusion versions 2025.9, 2023.20 and earlier are affected by an Unrestricted Upload of File with Dangerous Type…
CVE-2026-57700 — Critical (CVSS 10.0): Unrestricted Upload of File with Dangerous Type vulnerability in Daan.Dev OMGF Pro allows Using Malicious Files. This…
CVE-2025-69129 — Critical (CVSS 10.0): Unauthenticated Arbitrary File Upload in WordPress & WooCommerce Scraper Plugin, Import Data from Any Site <= 1.0.7…
CVE-2026-40772 — Critical (CVSS 10.0): Unauthenticated Arbitrary File Upload in GeekyBot <= 1.2.2 versions.
CVE-2026-40412 — Critical (CVSS 10.0): Unrestricted upload of file with dangerous type in Azure Orbital Spatio allows an unauthorized attacker to execute code…

Browse all CWE-434 (Unrestricted Upload of File with Dangerous Type) vulnerabilities →