How severe is CVE-2014-5248?

CVE-2014-5248 has a CVSS 2.0 base score of 4.3, rated medium severity.

Is CVE-2014-5248 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (56th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2014-5248?

CVE-2014-5248 primarily affects Mybb. In total, 15 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2014-5248?

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

When was CVE-2014-5248 published?

CVE-2014-5248 was published on 2014-08-14 and last updated on 2026-06-17.

CVE-2014-5248

CVE-2014-5248 is a medium-severity vulnerability in Mybb 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: 1% (56th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Mybb
Published: 2014-08-14
Last modified: 2026-06-17

Description

Cross-site scripting (XSS) vulnerability in MyBB before 1.6.15 allows remote attackers to inject arbitrary web script or HTML via vectors related to video MyCode.

Frequently asked questions

What is CVE-2014-5248?: Cross-site scripting (XSS) vulnerability in MyBB before 1.6.15 allows remote attackers to inject arbitrary web script or HTML via vectors related to video MyCode.
How severe is CVE-2014-5248?: CVE-2014-5248 has a CVSS 2.0 base score of 4.3, rated medium severity.
Is CVE-2014-5248 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (56th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2014-5248?: CVE-2014-5248 primarily affects Mybb. In total, 15 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2014-5248?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2014-5248 published?: CVE-2014-5248 was published on 2014-08-14 and last updated on 2026-06-17.

References

Affected products (15)

cpe:2.3:a:mybb:mybb:*:*:*:*:*:*:*:*
cpe:2.3:a:mybb:mybb:1.6.0:*:*:*:*:*:*:*
cpe:2.3:a:mybb:mybb:1.6.1:*:*:*:*:*:*:*
cpe:2.3:a:mybb:mybb:1.6.2:*:*:*:*:*:*:*
cpe:2.3:a:mybb:mybb:1.6.3:*:*:*:*:*:*:*
cpe:2.3:a:mybb:mybb:1.6.4:*:*:*:*:*:*:*
cpe:2.3:a:mybb:mybb:1.6.5:*:*:*:*:*:*:*
cpe:2.3:a:mybb:mybb:1.6.6:*:*:*:*:*:*:*
cpe:2.3:a:mybb:mybb:1.6.7:*:*:*:*:*:*:*
cpe:2.3:a:mybb:mybb:1.6.8:*:*:*:*:*:*:*
cpe:2.3:a:mybb:mybb:1.6.9:*:*:*:*:*:*:*
cpe:2.3:a:mybb:mybb:1.6.10:*:*:*:*:*:*:*
cpe:2.3:a:mybb:mybb:1.6.11:*:*:*:*:*:*:*
cpe:2.3:a:mybb:mybb:1.6.12:*:*:*:*:*:*:*
cpe:2.3:a:mybb:mybb:1.6.13:*:*:*:*:*:*:*

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