XSS in B3log Siyuan

CVE-2024-2692

SiYuan version 3.0.3 allows executing arbitrary commands on the server. This is possible because the application is vulnerable to Server Side XSS.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.007 (50.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.0 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H.

Affected products

B3log Siyuan — versions 3.0.3
Siyuan — versions 3.0.3

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

Public proof-of-concept exploits

fkie-cad/nvd-json-data-feeds

References

help@fluidattacks.com (Exploit, Third Party Advisory)
help@fluidattacks.com (Product)

Frequently asked questions

What is CVE-2024-2692?: CVE-2024-2692 is a critical-severity vulnerability in B3log Siyuan, classified under Cross-site Scripting. CVSS score: 9.0/10. Published 2024-04-04.
How severe is CVE-2024-2692?: Critical severity. CVSS v3 base score is 9.0 out of 10.
Is CVE-2024-2692 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.