How severe is CVE-2015-3438?

CVE-2015-3438 has a CVSS 2.0 base score of 4.3, rated medium severity.

Is CVE-2015-3438 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 8% (94th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2015-3438?

CVE-2015-3438 primarily affects Debian Debian Linux. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2015-3438?

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

When was CVE-2015-3438 published?

CVE-2015-3438 was published on 2015-08-05 and last updated on 2026-06-17.

CVE-2015-3438

CVE-2015-3438 is a medium-severity vulnerability in Debian Debian Linux 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: 8% (94th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Debian Debian Linux
Published: 2015-08-05
Last modified: 2026-06-17

Description

Multiple cross-site scripting (XSS) vulnerabilities in WordPress before 4.1.2, when MySQL is used without strict mode, allow remote attackers to inject arbitrary web script or HTML via a (1) four-byte UTF-8 character or (2) invalid character that reaches the database layer, as demonstrated by a crafted character in a comment.

Frequently asked questions

What is CVE-2015-3438?: Multiple cross-site scripting (XSS) vulnerabilities in WordPress before 4.1.2, when MySQL is used without strict mode, allow remote attackers to inject arbitrary web script or HTML via a (1) four-byte UTF-8 character or (2) invalid character that reaches the database layer, as demonstrated by a crafted character in a comment.
How severe is CVE-2015-3438?: CVE-2015-3438 has a CVSS 2.0 base score of 4.3, rated medium severity.
Is CVE-2015-3438 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 8% (94th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2015-3438?: CVE-2015-3438 primarily affects Debian Debian Linux. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2015-3438?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2015-3438 published?: CVE-2015-3438 was published on 2015-08-05 and last updated on 2026-06-17.

References

Affected products (3)

cpe:2.3:a:wordpress:wordpress:*:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*

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