CVE-2015-5381

VendorroundcubeProductwebmail, roundcube webmailDiscoveredMay 23, 2017UpdatedMay 13, 2026

Cross-site scripting (XSS) vulnerability in program/include/rcmail.php in Roundcube Webmail 1.1.x before 1.1.2 allows remote attackers to inject arbitrary web script or HTML via the _mbox parameter to the default URI.

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CVSS v3.1

6.1 MEDIUM

EPSS

2.70%

probability of exploitation in 30 days

CISA KEV

Not listed

no confirmed exploitation reported

News coverage

sources referencing this CVE

Related IOCs

seen in the same coverage

EPSS Trend

Aug 16, 2026 → Sep 23, 2026

▲ 0.17pp

2.53% → 2.70% over 11 tracked changes

CVSS v3.1 Detail

Attack VectorNETWORK

Attack ComplexityLOW

Privileges RequiredNONE

User InteractionREQUIRED

ScopeCHANGED

ConfidentialityLOW

IntegrityLOW

AvailabilityNONE

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Connections

3 relationships

CWE-79

source

Timeline

disclosure → media coverage

May 23, 2017

Disclosure — published as a CVE record. · last revised by NVD May 13, 2026