CVE-2026-15047 | BDVDB-2026-356574 Detail

s2Member

Description#

The s2Member WordPress plugin before 260805 does not escape several shortcode attributes before outputting them inside an inline script context, allowing users with contributor-level access to inject arbitrary JavaScript that executes when a viewer opens the post (stored XSS).

Impact#

Per CVSS v3.1: confidentiality impact high, integrity impact high, availability impact high. Attack vector: network.

Weaknesses#

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

References#

https://wpscan.com/vulnerability/79e830c3-232b-4eff-8cf1-d25c5310984c/

Exploit#

https://wpscan.com/vulnerability/79e830c3-232b-4eff-8cf1-d25c5310984c/

History#

Version 12026-08-10Record published in the CVE List.
Version 22026-08-11Most recent update recorded in the CVE List.

Published

Published: 2026-08-10
Last modified: 2026-08-11

Vendor information

Vendor: Not stated
Product: s2Member

Score

6.8 Medium

EPSS

less than 1%, Very Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 37.7.

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
< 260805
Fixed
260805

Scoring System

CVSS v4.0

Not available

CVSS v3.1

6.8 Medium

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

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

CVSS v3.0

Not available

CVSS v2

Not available

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