CVE-2025-23868 | BDVDB-2026-263159 Detail

mliebeltChess Tempo Viewer

Description#

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in mliebelt Chess Tempo Viewer chesstempoviewer allows Stored XSS.This issue affects Chess Tempo Viewer: from n/a through <= 0.9.5.

Impact#

Stored XSS

Weaknesses#

CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

References#

https://patchstack.com/database/Wordpress/Plugin/chesstempoviewer/vulnerability/wordpress-chess-tempo-viewer-plugin-0-9-5-stored-cross-site-scripting-xss-vulnerability?_s_id=cve

Exploit#

No public exploit known

History#

Version 12025-01-16Record published in the CVE List.
Version 22026-05-11Most recent update recorded in the CVE List.

Published

Published: 2025-01-16
Last modified: 2026-05-11

Vendor information

Vendor: mliebelt
Product: Chess Tempo Viewer

All mliebelt vulnerabilities

Score

6.5 Medium

EPSS

less than 1%, Very Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 32.6.

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Cross-Site Scripting

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

Vulnerable
<= 0.9.5
Fixed
Not stated

Scoring System

CVSS v4.0

Not available

CVSS v3.1

6.5 Medium

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L

Metric breakdown
Attack Vector	Network
Attack Complexity	Low
Privileges Required	Low
User Interaction	Required
Scope	Changed
Confidentiality	Low
Integrity	Low
Availability	Low

CVSS v3.0

Not available

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).