How severe is CVE-2014-2021?

CVE-2014-2021 has a CVSS 2.0 base score of 3.5, rated low severity.

Is CVE-2014-2021 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-2014-2021?

CVE-2014-2021 primarily affects Vbulletin. In total, 7 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2014-2021?

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

When was CVE-2014-2021 published?

CVE-2014-2021 was published on 2014-10-25 and last updated on 2026-06-17.

CVE-2014-2021

CVE-2014-2021 is a low-severity vulnerability in Vbulletin with a CVSS 2.0 base score of 3.5. 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: Low (CVSS 2.0 base score 3.5)
EPSS exploit prediction: 3% (87th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Vbulletin
Published: 2014-10-25
Last modified: 2026-06-17

Description

Cross-site scripting (XSS) vulnerability in admincp/apilog.php in vBulletin 4.2.2 and earlier, and 5.0.x through 5.0.5 allows remote authenticated users to inject arbitrary web script or HTML via a crafted XMLRPC API request, as demonstrated using the client name.

Frequently asked questions

What is CVE-2014-2021?: Cross-site scripting (XSS) vulnerability in admincp/apilog.php in vBulletin 4.2.2 and earlier, and 5.0.x through 5.0.5 allows remote authenticated users to inject arbitrary web script or HTML via a crafted XMLRPC API request, as demonstrated using the client name.
How severe is CVE-2014-2021?: CVE-2014-2021 has a CVSS 2.0 base score of 3.5, rated low severity.
Is CVE-2014-2021 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-2014-2021?: CVE-2014-2021 primarily affects Vbulletin. In total, 7 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2014-2021?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2014-2021 published?: CVE-2014-2021 was published on 2014-10-25 and last updated on 2026-06-17.

References

Affected products (7)

cpe:2.3:a:vbulletin:vbulletin:*:*:*:*:*:*:*:*
cpe:2.3:a:vbulletin:vbulletin:5.0.0:*:*:*:*:*:*:*
cpe:2.3:a:vbulletin:vbulletin:5.0.1:*:*:*:*:*:*:*
cpe:2.3:a:vbulletin:vbulletin:5.0.2:*:*:*:*:*:*:*
cpe:2.3:a:vbulletin:vbulletin:5.0.3:*:*:*:*:*:*:*
cpe:2.3:a:vbulletin:vbulletin:5.0.4:*:*:*:*:*:*:*
cpe:2.3:a:vbulletin:vbulletin:5.0.5:*:*:*:*:*:*:*

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