CVE-2026-18481

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

HIGH
7.3
CVSS Score
Published: July 31, 2026 at 06:12 PM UTC
Updated: October 23, 2026 at 11:10 PM UTC
1 product affected across 1 vendorAWS Ops Wheel

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Severity
HIGH7.3
Exploit prediction
EPSS 0.5%
SSVC
No known exploit

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

0 ≤ v ≤ PR1680

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (3)

Patch
Source: ff89ba41-3aa1-4d27-914a-91399e9639e5
https://github.com/aws/aws-ops-wheel/pull/168
Third Party Advisory
Source: ff89ba41-3aa1-4d27-914a-91399e9639e5
https://github.com/aws/aws-ops-wheel/security/advisories/GHSA-6rr8-cf9x-pj23

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.3HIGHAMZN
Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
NONE
Vector?

Quick Info

StatusAWAITING ANALYSIS
CWE
CWE-79

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