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Vulnerability record · CVE-2023-31576 · published 16 May 2023

CVE-2023-31576: S9y serendipity unrestricted file upload vulnerability

S9y · Serendipity

An arbitrary file upload vulnerability in Serendipity 2.4-beta1 allows attackers to execute arbitrary code via a crafted HTML or Javascript file.

8.8 CVSS 3.1 High EPSS 1.1% · top 36.8% CWE-434 · Unrestricted file upload
8.8CVSS 3.1 base score
1.1%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

An arbitrary file upload vulnerability in Serendipity 2.4-beta1 allows attackers to execute arbitrary code via a crafted HTML or Javascript file.

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/nu11secur1ty/CVE-nu11secur1ty/tree/main/vendors/s9y/2023/Serendipity-2.4-beta-1 ExploitThird Party Advisory
https://github.com/nu11secur1ty/CVE-nu11secur1ty/tree/main/vendors/s9y/2023/Serendipity-2.4-beta-1 ExploitThird Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

10.0CVE-2005-1449S9y serendipity vulnerabilityUnknown vulnerability in serendipity_config_local.inc.php for Serendipity before 0.8 has unknown impact.EPSS 1.4%10.0CVE-2005-1452S9y serendipity vulnerabilitySerendipity before 0.8 allows Chief users to "hide plugins installed by other users."EPSS 1.4%9.8CVE-2020-10964S9y serendipity unrestricted file upload vulnerabilitySerendipity before 2.3.4 on Windows allows remote attackers to execute arbitrary code because the filename of a renamed file may end with a dot. This…EPSS 2.8%9.8CVE-2011-1134S9y serendipity unrestricted file upload vulnerabilityCross-Site Scripting (XSS) in Xinha, as included in the Serendipity package before 1.5.5, allows remote attackers to execute arbitrary code in the im…EPSS 3.0%9.8CVE-2016-10752S9y serendipity unrestricted file upload vulnerabilityserendipity_moveMediaDirectory in Serendipity 2.0.3 allows remote attackers to upload and execute arbitrary PHP code because it mishandles an extensi…EPSS 2.3%9.8CVE-2016-10082S9y serendipity improper access control vulnerabilityinclude/functions_installer.inc.php in Serendipity through 2.0.5 is vulnerable to File Inclusion and a possible Code Execution attack during a first-…EPSS 2.9%8.8CVE-2017-8101S9y serendipity cross-site request forgery vulnerabilityThere is CSRF in Serendipity 2.0.5, allowing attackers to install any themes via a GET request.EPSS 0.60%8.8CVE-2017-5609S9y serendipity sql injection vulnerabilitySQL injection vulnerability in include/functions_entries.inc.php in Serendipity 2.0.5 allows remote authenticated users to execute arbitrary SQL comm…EPSS 1.6%

Source: NIST National Vulnerability Database (record CVE-2023-31576), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.