CVE-2025-30539

WordPress BMo Expo plugin <= 1.0.15 - Cross Site Scripting (XSS) vulnerability

Published Mar 24, 2025 CVSS 3.1 · 5.9 Medium EPSS < 1% KEV · Not listed

Description

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Benedikt Mo BMo Expo bmo-expo allows Stored XSS.This issue affects BMo Expo: from n/a through <= 1.0.15.

Analysis

Technical impact

The BMo Expo plugin for WordPress fails to properly neutralize user‑supplied input, allowing malicious code to be stored in the database. The stored XSS flaw enables an attacker to embed arbitrary JavaScript that executes in the browsers of site visitors, thereby potentially compromising user sessions and leaking sensitive information.

Affected Systems

The vulnerability affects the Benedikt Mo BMo Expo WordPress plugin on any installation using version 1.0.15 or earlier. Administrators should verify the plugin version on every WordPress site where this component is installed.

Risk and Exploitability

The CVSS score of 5.9 indicates moderate risk, while the EPSS score of less than 1% suggests that the likelihood of exploitation is low at present. The vulnerability is not listed in CISA's KEV catalog. Based on the description, the attack vector is inferred to be through the plugin’s front‑end or administrative input areas where user data is processed before being stored.

Affected Products

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

Benedikt Mo

BMo Expo

unaffected

Version	Status	Constraints
`0`	affected	≤ 1.0.15

No data.

No data available yet.

Remediation

No solution or workaround provided in the CVE record.

OpenCVE Recommended Actions

Update BMo Expo plugin to the latest version (≥1.0.16) to remove the stored XSS flaw.
If the latest version cannot be installed, disable or uninstall the plugin to eliminate the attack surface.
Review all stored content that the plugin writes to the database and sanitize or remove any embedded scripts.

Generated by OpenCVE AI on May 2, 2026 at 03:25 UTC.

Tracking

Advisories

Source	ID	Title
EUVD	EUVD-2025-7968	Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Benedikt Mo BMo Expo allows Stored XSS. This issue affects BMo Expo: from n/a through 1.0.15.

Metrics

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required High

Scope Changed

Confidentiality Impact Low

Integrity Impact Low

Availability Impact Low

User Interaction Required

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploit prediction score: < 1% (0.376% probability within 30 days)

Exploitation none

Automatable no

Technical Impact partial

References

Link	Providers
https://patchstack.com/database/Wordpress/Plugin/bmo-expo/vulnerability/wordpress-bmo-expo-plugin-1-0-15-cross-site-scripting-xss-vulnerability?_s_id=cve

History

Apr 23, 2026 3:00 PM Scoring metrics updated View changes

Type	Values Removed	Values Added
Metrics		cvssV3_1 `{'score': 5.9, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:L'}`

Apr 1, 2026 11:45 PM Description updated. References updated. Scoring metrics updated View changes

Type	Values Removed	Values Added
Description	Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Benedikt Mo BMo Expo allows Stored XSS. This issue affects BMo Expo: from n/a through 1.0.15.	Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Benedikt Mo BMo Expo bmo-expo allows Stored XSS.This issue affects BMo Expo: from n/a through <= 1.0.15.
References	https://patchstack.com/database/wordpress/plugin/bmo-expo/vulnerability/wordpress-bmo-expo-plugin-1-0-15-cross-site-scripting-xss-vulnerability?_s_id=cve	https://patchstack.com/database/Wordpress/Plugin/bmo-expo/vulnerability/wordpress-bmo-expo-plugin-1-0-15-cross-site-scripting-xss-vulnerability?_s_id=cve
Metrics	cvssV3_1 `{'score': 5.9, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:L'}`

Mar 24, 2025 3:15 PM Scoring metrics updated View changes

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

Mar 24, 2025 2:00 PM Description updated. Title updated. Weaknesses updated. Added references. Scoring metrics updated View changes

Type	Values Removed	Values Added
Description		Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Benedikt Mo BMo Expo allows Stored XSS. This issue affects BMo Expo: from n/a through 1.0.15.
Title		WordPress BMo Expo plugin <= 1.0.15 - Cross Site Scripting (XSS) vulnerability
Weaknesses		CWE-79
References		https://patchstack.com/database/wordpress/plugin/bmo-expo/vulnerability/wordpress-bmo-expo-plugin-1-0-15-cross-site-scripting-xss-vulnerability?_s_id=cve
Metrics		cvssV3_1 `{'score': 5.9, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:L'}`