CVE-2020-26153

Event Espresso vulnerability

CVSS

6.1

EPSS

3.8%

EPSS pct

89th

Exploited

No known

A cross-site scripting (XSS) vulnerability in wp-content/plugins/event-espresso-core-reg/admin_pages/messages/templates/ee_msg_admin_overview.template.php in the Event Espresso Core plugin before 4.10.7.p for WordPress allows remote attackers to inject arbitrary web script or HTML via the page parameter.

Affected vendor

Eventespresso

Affected product

Event Espresso

CVSS vector

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

Weakness type (CWE)

CWE-79 — Cross-Site Scripting (XSS)

Published

2021-07-13

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no privileges, user interaction. Successful exploitation leads to low impact to confidentiality, low impact to integrity.

Its EPSS score of 3.8% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 89% of all scored CVEs.

Check your external exposure to CVE-2020-26153

Confirm whether Eventespresso Event Espresso is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2020-26153.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2020-26153

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2020-26153 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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