Dashboard / CVE-2026-53950

CVE-2026-53950

HIGH
MEDIUM Priority: 0.03 BB Relevance: 55/100
Published: 2026-06-24 Modified: 2026-10-25 First seen: 2026-10-29 Status: active

Attack Surface

Network No Auth Conf. Impact Integ. Impact

CVSS Vector Breakdown

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

Description

@tryghost/activitypub is Ghost’s social/federation client app. Prior to 3.1.0, the ActivityPub client in Ghost was vulnerable to JavaScript injection on posts shared by a maliciously customised ActivityPub server. This vulnerability is fixed in 3.1.0.

Weakness Classification (1)

References & Advisories (1)

Bug Bounty Relevance

55 / 100
✓ Network accessible
✓ No authentication

CVSS Score

7.5 / 10.0 v3.1
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS — Exploitation Probability

0.35%
Raw Score 0.003520
Percentile 28.8%
Date 2026-10-29

EPSS Trend

2026-10-29
0.00352
2026-10-28
0.00352

Intelligence Sources

nvd ref →

External Links