How severe is CVE-2015-5520?

CVE-2015-5520 has a CVSS 2.0 base score of 4.3, rated medium severity.

Is CVE-2015-5520 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (88th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2015-5520?

CVE-2015-5520 primarily affects Orchardproject Orchard. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2015-5520?

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

When was CVE-2015-5520 published?

CVE-2015-5520 was published on 2015-07-14 and last updated on 2026-06-17.

CVE-2015-5520

CVE-2015-5520 is a medium-severity vulnerability in Orchardproject Orchard 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: 4% (88th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Orchardproject Orchard
Published: 2015-07-14
Last modified: 2026-06-17

Description

Cross-site scripting (XSS) vulnerability in the Users module in Orchard 1.7.3 through 1.8.2 and 1.9.x before 1.9.1 allows remote attackers to inject arbitrary web script or HTML via the username when creating a new user account, which is not properly handled when deleting an account.

Frequently asked questions

What is CVE-2015-5520?: Cross-site scripting (XSS) vulnerability in the Users module in Orchard 1.7.3 through 1.8.2 and 1.9.x before 1.9.1 allows remote attackers to inject arbitrary web script or HTML via the username when creating a new user account, which is not properly handled when deleting an account.
How severe is CVE-2015-5520?: CVE-2015-5520 has a CVSS 2.0 base score of 4.3, rated medium severity.
Is CVE-2015-5520 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (88th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2015-5520?: CVE-2015-5520 primarily affects Orchardproject Orchard. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2015-5520?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2015-5520 published?: CVE-2015-5520 was published on 2015-07-14 and last updated on 2026-06-17.

References

Affected products (5)

cpe:2.3:a:orchardproject:orchard:1.7.3:*:*:*:*:*:*:*
cpe:2.3:a:orchardproject:orchard:1.8:*:*:*:*:*:*:*
cpe:2.3:a:orchardproject:orchard:1.8.1:*:*:*:*:*:*:*
cpe:2.3:a:orchardproject:orchard:1.8.2:*:*:*:*:*:*:*
cpe:2.3:a:orchardproject:orchard:1.9:*:*:*:*:*:*:*

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