How severe is CVE-2013-5309?

CVE-2013-5309 has a CVSS 2.0 base score of 2.6, rated low severity.

Is CVE-2013-5309 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (65th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2013-5309?

CVE-2013-5309 primarily affects Fudforum. In total, 57 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2013-5309?

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

When was CVE-2013-5309 published?

CVE-2013-5309 was published on 2013-08-16 and last updated on 2026-06-16.

CVE-2013-5309

CVE-2013-5309 is a low-severity vulnerability in Fudforum with a CVSS 2.0 base score of 2.6. 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 2.6)
EPSS exploit prediction: 1% (65th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Fudforum
Published: 2013-08-16
Last modified: 2026-06-16

Description

Cross-site scripting (XSS) vulnerability in install/forum_data/src/custom_fields.inc.t in FUDforum 3.0.4.1 and earlier, when registering a new user, allows remote attackers to inject arbitrary web script or HTML via a custom profile field to index.php. NOTE: some of these details are obtained from third party information.

Frequently asked questions

What is CVE-2013-5309?: Cross-site scripting (XSS) vulnerability in install/forum_data/src/custom_fields.inc.t in FUDforum 3.0.4.1 and earlier, when registering a new user, allows remote attackers to inject arbitrary web script or HTML via a custom profile field to index.php. NOTE: some of these details are obtained from third party information.
How severe is CVE-2013-5309?: CVE-2013-5309 has a CVSS 2.0 base score of 2.6, rated low severity.
Is CVE-2013-5309 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (65th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2013-5309?: CVE-2013-5309 primarily affects Fudforum. In total, 57 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2013-5309?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2013-5309 published?: CVE-2013-5309 was published on 2013-08-16 and last updated on 2026-06-16.

References

Affected products (57)

cpe:2.3:a:fudforum:fudforum:*:*:*:*:*:*:*:*
cpe:2.3:a:fudforum:fudforum:2.7.2:*:*:*:*:*:*:*
cpe:2.3:a:fudforum:fudforum:2.7.3:*:*:*:*:*:*:*
cpe:2.3:a:fudforum:fudforum:2.7.4:*:*:*:*:*:*:*
cpe:2.3:a:fudforum:fudforum:2.7.5:*:*:*:*:*:*:*
cpe:2.3:a:fudforum:fudforum:2.7.6:*:*:*:*:*:*:*
cpe:2.3:a:fudforum:fudforum:2.7.7:*:*:*:*:*:*:*
cpe:2.3:a:fudforum:fudforum:2.8.0:*:*:*:*:*:*:*
cpe:2.3:a:fudforum:fudforum:2.8.1:*:*:*:*:*:*:*
cpe:2.3:a:fudforum:fudforum:3.0.0:*:*:*:*:*:*:*
cpe:2.3:a:fudforum:fudforum:3.0.1:*:*:*:*:*:*:*
cpe:2.3:a:fudforum:fudforum:3.0.2:*:*:*:*:*:*:*
cpe:2.3:a:fudforum:fudforum:3.0.3:*:*:*:*:*:*:*
cpe:2.3:a:fudforum:fudforum:3.0.4:*:*:*:*:*:*:*
cpe:2.3:a:ilia_alshanetsky:fudforum:1.2.8:*:*:*:*:*:*:*
cpe:2.3:a:ilia_alshanetsky:fudforum:1.9.8:*:*:*:*:*:*:*
cpe:2.3:a:ilia_alshanetsky:fudforum:2.0.2:*:*:*:*:*:*:*
cpe:2.3:a:ilia_alshanetsky:fudforum:2.1.0:*:*:*:*:*:*:*
cpe:2.3:a:ilia_alshanetsky:fudforum:2.1.1:*:*:*:*:*:*:*
cpe:2.3:a:ilia_alshanetsky:fudforum:2.1.2:*:*:*:*:*:*:*
cpe:2.3:a:ilia_alshanetsky:fudforum:2.1.3:*:*:*:*:*:*:*
cpe:2.3:a:ilia_alshanetsky:fudforum:2.2.0:*:*:*:*:*:*:*
cpe:2.3:a:ilia_alshanetsky:fudforum:2.2.1:*:*:*:*:*:*:*
cpe:2.3:a:ilia_alshanetsky:fudforum:2.2.2:*:*:*:*:*:*:*
cpe:2.3:a:ilia_alshanetsky:fudforum:2.2.3:*:*:*:*:*:*:*
cpe:2.3:a:ilia_alshanetsky:fudforum:2.2.4:*:*:*:*:*:*:*
cpe:2.3:a:ilia_alshanetsky:fudforum:2.2.5:*:*:*:*:*:*:*
cpe:2.3:a:ilia_alshanetsky:fudforum:2.3.0:*:*:*:*:*:*:*
cpe:2.3:a:ilia_alshanetsky:fudforum:2.3.1:*:*:*:*:*:*:*
cpe:2.3:a:ilia_alshanetsky:fudforum:2.3.2:*:*:*:*:*:*:*
cpe:2.3:a:ilia_alshanetsky:fudforum:2.3.3:*:*:*:*:*:*:*
cpe:2.3:a:ilia_alshanetsky:fudforum:2.3.4:*:*:*:*:*:*:*
cpe:2.3:a:ilia_alshanetsky:fudforum:2.3.5:*:*:*:*:*:*:*
cpe:2.3:a:ilia_alshanetsky:fudforum:2.3.6:*:*:*:*:*:*:*
cpe:2.3:a:ilia_alshanetsky:fudforum:2.3.7:*:*:*:*:*:*:*
cpe:2.3:a:ilia_alshanetsky:fudforum:2.3.8:*:*:*:*:*:*:*
cpe:2.3:a:ilia_alshanetsky:fudforum:2.5.0:*:*:*:*:*:*:*
cpe:2.3:a:ilia_alshanetsky:fudforum:2.5.1:*:*:*:*:*:*:*
cpe:2.3:a:ilia_alshanetsky:fudforum:2.5.2:*:*:*:*:*:*:*
cpe:2.3:a:ilia_alshanetsky:fudforum:2.6.0:*:*:*:*:*:*:*

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