CVE-2026-42612

MEDIUM
MEDIUM Priority: 0.01 BB Relevance: 51/100
Published: 2026-05-11 Modified: 2026-10-26 First seen: 2026-10-29 Status: active

Attack Surface

Network Low Complexity Scope Change

CVSS Vector Breakdown

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

Description

Grav is a file-based Web platform. Prior to 2.0.0-beta.2, a stored Cross-Site Scripting (XSS) vulnerability in getgrav/grav allows publisher-level accounts to execute arbitrary JavaScript. The issue arises from a blacklist bypass in the detectXss() function when handling unquoted HTML event attributes. This vulnerability is fixed in 2.0.0-beta.2.

Weakness Classification (1)

Affected Software (2)

VendorProductVersion
getgrav grav < 1.8.0
getgrav grav 2.0.0

Bug Bounty Relevance

51 / 100
✓ Network accessible
✓ Low complexity

CVSS Score

5.4 / 10.0 v3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

EPSS — Exploitation Probability

0.24%
Raw Score 0.002380
Percentile 14.8%
Date 2026-10-29

EPSS Trend

2026-10-29
0.00238
2026-10-28
0.00238

Intelligence Sources

nvd ref →