Dashboard / CVE-2026-42140

CVE-2026-42140

MEDIUM
MEDIUM Priority: 0.01 BB Relevance: 39/100
Published: 2026-05-04 Modified: 2026-10-26 First seen: 2026-10-29 Status: active

Attack Surface

Network Scope Change

CVSS Vector Breakdown

AV: Network
AC: High
PR: Low
UI: Required
S: Changed
C: Low
I: Low
A: None

Description

PlantUML Macro is a macro for rendering UML diagrams from simple textual schemes. Prior to version 2.4.1, the PlantUML Macro is vulnerable to Server-Side Request Forgery (SSRF). The macro allows users to specify an alternative PlantUML server via the server parameter. However, the application does not validate the supplied URL. An attacker can supply an internal IP address or a malicious external URL. The XWiki server will attempt to connect to this URL to "render" the diagram. This issue has been patched in version 2.4.1.

Weakness Classification (1)

References & Advisories (3)

Bug Bounty Relevance

39 / 100
✓ Network accessible

CVSS Score

4.4 / 10.0 v3.1
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:L/I:L/A:N

EPSS — Exploitation Probability

0.18%
Raw Score 0.001790
Percentile 7.5%
Date 2026-10-29

EPSS Trend

2026-10-29
0.00179
2026-10-28
0.00179

Intelligence Sources

nvd ref →

External Links