CVE-2016-20098

Moderator Toolbox before 4.0.14 Stored XSS via Removal Reasons Configuration

MEDIUM
5.4
CVSS Score
Published: October 9, 2026 at 04:04 PM UTC
Updated: October 9, 2026 at 08:17 PM UTC
1 product affected across 1 vendorReddit Moderator Toolbox

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Severity
MEDIUM5.4
Exploit prediction
EPSS 0.2%
SSVC
No known exploit

Description

Moderator Toolbox (reddit-moderator-toolbox) before 4.0.14 contains a stored cross-site scripting vulnerability in the removalreasons module, which inserts subreddit toolbox wiki fields into popup HTML without encoding. Attackers who can edit the toolbox wiki page can plant JavaScript in fields like pmsubject, header, or reason titles to act with moderators' Reddit sessions.

Affected

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

0
Vendor states this is fixed in 4.0.14 (unaffected)

Remediation

No guide yet

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

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

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

CVSS

5.4MEDIUMVulnCheck
Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality
LOW
Integrity
LOW
Availability
NONE
Vector?

Quick Info

StatusAWAITING ANALYSIS
CWE
CWE-79

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