← Vulnerability feed

Vulnerability record · CVE-2025-46348 · published 29 April 2025

CVE-2025-46348: Yeswiki improper authentication vulnerability

Yeswiki · Yeswiki

YesWiki is a wiki system written in PHP. Prior to version 4.5.4, the request to commence a site backup can be performed and downloaded without authentication. The archives are created with a predictable filename, so a malicious user could create and download an archive without being authenticated. This could result in a malicious attacker making numerous requests to create archives and fill up the file system, or by downloading the archive which contains sensitive site information. This issue has been patched in version 4.5.4.

9.8 CVSS 3.1 Critical EPSS 0.65% · top 50.7% CWE-287 · Improper authenticationCWE-862 · Missing authorization
9.8CVSS 3.1 base score
0.65%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
3References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

YesWiki is a wiki system written in PHP. Prior to version 4.5.4, the request to commence a site backup can be performed and downloaded without authentication. The archives are created with a predictable filename, so a malicious user could create and download an archive without being authenticated. This could result in a malicious attacker making numerous requests to create archives and fill up the file system, or by downloading the archive which contains sensitive site information. This issue has been patched in version 4.5.4.

CVSS:3.1/AV:N/AC:L/PR:N/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/YesWiki/yeswiki/commit/0d4efc880a727599fa4f6d7a64cc967afe475530 Patch
https://github.com/YesWiki/yeswiki/security/advisories/GHSA-wc9g-6j9w-hr95 ExploitVendor Advisory
https://github.com/YesWiki/yeswiki/security/advisories/GHSA-wc9g-6j9w-hr95 ExploitVendor Advisory

Track CVE-2025-46348 inside VULONE

Watch it alongside the ransomware crews, C2 infrastructure and forum chatter that reference it, query it through the API and pull it into your SIEM over TAXII.

Start free Open in platform

Related vulnerabilities

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

9.8CVE-2018-1000641Yeswiki deserialization of untrusted data vulnerabilityYesWiki version <= cercopitheque beta 1 contains a PHP Object Injection vulnerability in Unserialising user entered parameter in i18n.inc.php that ca…EPSS 2.5%9.1CVE-2024-51478Yeswiki broken cryptographic algorithm vulnerabilityYesWiki is a wiki system written in PHP. Prior to 4.4.5, the use of a weak cryptographic algorithm and a hard-coded salt to hash the password reset k…EPSS 0.37%7.5CVE-2025-31131Yeswiki path traversal vulnerabilityYesWiki is a wiki system written in PHP. The squelette parameter is vulnerable to path traversal attacks, enabling read access to arbitrary files on …EPSS 5.4%7.5CVE-2021-43091Yeswiki sql injection vulnerabilityAn SQL Injection vlnerability exits in Yeswiki doryphore 20211012 via the email parameter in the registration form.EPSS 1.4%7.1CVE-2026-34598Yeswiki cross-site scripting vulnerabilityYesWiki is a wiki system written in PHP. Prior to version 4.6.0, a stored and blind XSS vulnerability exists in the form title field. A malicious att…EPSS 0.31%7.1CVE-2025-24019Yeswiki path traversal vulnerabilityYesWiki is a wiki system written in PHP. In versions up to and including 4.4.5, it is possible for any authenticated user, through the use of the fil…EPSS 0.59%6.3CVE-2025-46346Yeswiki cross-site scripting vulnerabilityYesWiki is a wiki system written in PHP. Prior to version 4.5.4, a stored cross-site scripting (XSS) vulnerability was discovered in the application’…EPSS 0.35%6.1CVE-2025-52277Yeswiki cross-site scripting vulnerabilityCross Site Scripting vulnerability in YesWiki v.4.54 allows a remote attacker to execute arbitrary code via a crafted payload to the meta configurati…EPSS 0.39%

Source: NIST National Vulnerability Database (record CVE-2025-46348), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.