CVE-2026-18481

HIGH

Stored XSS in Participant URL Field leads to Account Takeover via Session Token Theft

Title source: cna
STIX 2.1

Description

Stored cross-site scripting in the participant URL handling in AWS Ops Wheel before PR #168 might allow an authenticated remote user to steal session tokens and escalate to full administrative control of the deployed instance via a crafted participant_url value containing a dangerous URI scheme. To remediate this issue, users should redeploy from the latest version of aws-ops-wheel.

References (3)

Core 3

Scores

CVSS v3 7.3
EPSS 0.0028
EPSS Percentile 20.5%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-79
Status published
Products (1)
AWS/AWS Ops Wheel < PR168
Published Jul 31, 2026
Tracked Since Aug 01, 2026