CVE-2025-46348

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 v3.1 Score

10.0

CRITICAL

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

Weakness Type (CWE)

CWE-287 Improper Authentication

CWE-862 Missing Authorization

Affected Products

Vendor	Product	Versions
yeswiki	yeswiki	< 4.5.4

References

Advisories & Patches

https://github.com/YesWiki/yeswiki/commit/0d4efc880a727599fa4f6d7a64cc967afe475530 https://github.com/YesWiki/yeswiki/security/advisories/GHSA-wc9g-6j9w-hr95 https://github.com/YesWiki/yeswiki/security/advisories/GHSA-wc9g-6j9w-hr95

Exploits

https://github.com/YesWiki/yeswiki/security/advisories/GHSA-wc9g-6j9w-hr95 https://github.com/YesWiki/yeswiki/security/advisories/GHSA-wc9g-6j9w-hr95

Frequently Asked Questions

What is CVE-2025-46348? +

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. It has a CVSS v3.1 base score of 10.0 (CRITICAL).

How severe is CVE-2025-46348? +

CVE-2025-46348 has a CVSS v3.1 score of 10.0 out of 10, rated CRITICAL. This is a critical vulnerability that should be patched immediately.

What products are affected by CVE-2025-46348? +

CVE-2025-46348 affects products from yeswiki, specifically: yeswiki. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-46348? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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