CVE-2023-5631CISA KEVEPSS p99.5%

CVE-2023-5631Roundcube Webmail Persistent Cross-Site Scripting (XSS) Vulnerability

Roundcube / Webmail

Description

Roundcube Webmail contains a persistent cross-site scripting (XSS) vulnerability that allows a remote attacker to run malicious JavaScript code.

Scoring

EPSS75.87% probability of exploitation · percentile 99.5% · 2026-08-01T12:00:31Z

CISA KEV entry

Added to KEV: 2023-10-26

(incoming)1

TypeTargetConfidenceTier
KEVEntryRoundcube Webmail Persistent Cross-Site Scripting (XSS) Vulnerabilitykev-cve-2023-56310%live

Related by meaning· 6

Nearest entities by semantic similarity across the cs-graph corpus.

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Roundcube Webmail Cross-Site Scripting (XSS) Vulnerability
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RoundCube Webmail Cross-site Scripting Vulnerability
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Roundcube Webmail File Disclosure Vulnerability
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RoundCube Webmail Deserialization of Untrusted Data Vulnerability
Sourced from NVD + CISA KEV + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.