How severe is CVE-2015-1433?

CVE-2015-1433 has a CVSS 2.0 base score of 4.3, rated medium severity.

Is CVE-2015-1433 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (87th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2015-1433?

CVE-2015-1433 primarily affects Roundcube Webmail. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2015-1433?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2015-1433 published?

CVE-2015-1433 was published on 2015-02-03 and last updated on 2026-06-17.

CVE-2015-1433

CVE-2015-1433 is a medium-severity vulnerability in Roundcube Webmail with a CVSS 2.0 base score of 4.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

Severity: Medium (CVSS 2.0 base score 4.3)
EPSS exploit prediction: 3% (87th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Roundcube Webmail
Published: 2015-02-03
Last modified: 2026-06-17

Description

program/lib/Roundcube/rcube_washtml.php in Roundcube before 1.0.5 does not properly quote strings, which allows remote attackers to conduct cross-site scripting (XSS) attacks via the style attribute in an email.

Frequently asked questions

What is CVE-2015-1433?: program/lib/Roundcube/rcube_washtml.php in Roundcube before 1.0.5 does not properly quote strings, which allows remote attackers to conduct cross-site scripting (XSS) attacks via the style attribute in an email.
How severe is CVE-2015-1433?: CVE-2015-1433 has a CVSS 2.0 base score of 4.3, rated medium severity.
Is CVE-2015-1433 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (87th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2015-1433?: CVE-2015-1433 primarily affects Roundcube Webmail. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2015-1433?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2015-1433 published?: CVE-2015-1433 was published on 2015-02-03 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:a:roundcube:webmail:*:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:21:*:*:*:*:*:*:*

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