CVE-2026-104452
YesWiki before 4.6.7 CSRF Attachment Deletion via filemanager Handler
Description
YesWiki before 4.6.7 contains a cross-site request forgery vulnerability in the filemanager page handler, which deletes page attachments on GET requests without validating a CSRF token. Attackers can lure a logged-in page owner or administrator into a top-level GET navigation with do=del, erase, or emptytrash, deleting or permanently purging the page's attachments.
INFO
Published Date :
Oct. 2, 2026, 12:17 p.m.
Last Modified :
Oct. 2, 2026, 12:17 p.m.
Remotely Exploit :
Yes !
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS 3.1 | MEDIUM | 83251b91-4cc7-4094-a5c7-464a1b83ea10 | ||||
| CVSS 3.1 | MEDIUM | MITRE-CVE | ||||
| CVSS 3.1 | MEDIUM | [email protected] | ||||
| CVSS 4.0 | MEDIUM | 83251b91-4cc7-4094-a5c7-464a1b83ea10 | ||||
| CVSS 4.0 | MEDIUM | [email protected] |
Solution
- Update YesWiki to version 4.6.7 or later.
- Ensure file manager validates CSRF tokens for deletions.
- Avoid GET requests for deleting attachments.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-104452.
| URL | Resource |
|---|---|
| https://github.com/YesWiki/yeswiki/security/advisories/GHSA-7m4h-m7qm-hc32 | |
| https://www.vulncheck.com/advisories/yeswiki-before-4.6.7-csrf-attachment-deletion-via-filemanager-handler |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-104452 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-104452
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-104452 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-104452 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
New CVE Received by [email protected]
Oct. 02, 2026
Action Type Old Value New Value Added Description YesWiki before 4.6.7 contains a cross-site request forgery vulnerability in the filemanager page handler, which deletes page attachments on GET requests without validating a CSRF token. Attackers can lure a logged-in page owner or administrator into a top-level GET navigation with do=del, erase, or emptytrash, deleting or permanently purging the page's attachments. Added CVSS V4.0 AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X Added CVSS V3.1 AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L Added CWE CWE-352 Added Affected New affected value received. <a href="https://github.com/CVEProject/cvelistV5/blob/main/cves/2026/104xxx/CVE-2026-104452.json">CVE-2026-104452</a> Added Reference https://github.com/YesWiki/yeswiki/security/advisories/GHSA-7m4h-m7qm-hc32 Added Reference https://www.vulncheck.com/advisories/yeswiki-before-4.6.7-csrf-attachment-deletion-via-filemanager-handler