All vulnerabilities
CVE-2016-20098

reddit-moderator-toolbox: Moderator Toolbox before 4.0.14 Stored XSS via Removal Reasons Configuration

toolbox-team reddit-moderator-toolbox
CVSS
5.1Medium
ExploitationNo known exploitationNot in CISA KEV, which does not prove it is unexploitedCISA KEV
Exploit odds (EPSS)0.17%Chance of exploitation activity in the next 30 days, higher than 5% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed in4.0.14Fixed versionCVE List
Published9 Oct 2026Updated 9 Oct 2026CVE List

What fixes it

A fixed version on one release line is not the upgrade target for every line. Check your exact version and any vendor backports.

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.

Text from CVE List

Affected versions 2

  • reddit-moderator-toolboxaffected: all versions before 4.0.14CVE List
  • reddit-moderator-toolboxunaffected: 4.0.14CVE List

References 3