How severe is CVE-2015-6926?

CVE-2015-6926 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.

Is CVE-2015-6926 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (61st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2015-6926?

CVE-2015-6926 primarily affects Oxid-esales Eshop. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2015-6926?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2015-6926 published?

CVE-2015-6926 was published on 2018-01-19 and last updated on 2026-06-17.

CVE-2015-6926

CVE-2015-6926 is a high-severity vulnerability in Oxid-esales Eshop with a CVSS 3.x base score of 7.5. 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-287.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 1% (61st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-287
Affected product: Oxid-esales Eshop
Published: 2018-01-19
Last modified: 2026-06-17

Description

The OpenID Single Sign-On authentication functionality in OXID eShop before 4.5.0 allows remote attackers to impersonate users via the email address in a crafted authentication token.

Frequently asked questions

What is CVE-2015-6926?: The OpenID Single Sign-On authentication functionality in OXID eShop before 4.5.0 allows remote attackers to impersonate users via the email address in a crafted authentication token.
How severe is CVE-2015-6926?: CVE-2015-6926 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2015-6926 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (61st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2015-6926?: CVE-2015-6926 primarily affects Oxid-esales Eshop. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2015-6926?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2015-6926 published?: CVE-2015-6926 was published on 2018-01-19 and last updated on 2026-06-17.

References

Affected products (3)

cpe:2.3:a:oxid-esales:eshop:*:*:*:*:community:*:*:*
cpe:2.3:a:oxid-esales:eshop:*:*:*:*:enterprise:*:*:*
cpe:2.3:a:oxid-esales:eshop:*:*:*:*:professional:*:*:*

More vulnerabilities in Oxid-esales Eshop

CVE-2019-13026 — Critical (CVSS 9.8): OXID eShop 6.0.x before 6.0.5 and 6.1.x before 6.1.4 allows SQL Injection via a crafted URL, leading to full access by…
CVE-2018-20715 — Critical (CVSS 9.8): The DB abstraction layer of OXID eSales 4.10.6 is vulnerable to SQL injection via the oxid or synchoxid parameter to…
CVE-2019-17062 — High (CVSS 8.8): An issue was discovered in OXID eShop 6.x before 6.0.6 and 6.1.x before 6.1.5, OXID eShop Enterprise Edition Version…
CVE-2018-12579 — High (CVSS 8.1): An issue was discovered in OXID eShop Enterprise Edition before 5.3.8, 6.0.x before 6.0.3, and 6.1.x before 6.1.0;…
CVE-2017-14993 — High (CVSS 7.5): OXID eShop Community Edition before 6.0.0 RC3 (development), 4.10.x before 4.10.6 (maintenance), and 4.9.x before…
CVE-2017-12415 — High (CVSS 7.5): OXID eShop Community Edition before 6.0.0 RC2 (development), 4.10.x before 4.10.5 (maintenance), and 4.9.x before…

All CVEs affecting Oxid-esales Eshop →

Other CWE-287 (Improper Authentication) vulnerabilities

CVE-2026-45480 — Critical (CVSS 10.0): Improper authentication in Azure Active Directory allows an unauthorized attacker to elevate privileges over a network.
CVE-2026-46389 — Critical (CVSS 10.0): UDS Identity Config builds the Keycloak configuration image (realm, plugins, theme, truststore, JARs) consumed by UDS…
CVE-2026-10611 — Critical (CVSS 10.0): An authentication bypass vulnerability exists in MISP when LDAP mixed authentication is enabled with OTP enforcement.…
CVE-2026-47280 — Critical (CVSS 10.0): Improper authentication in Azure Resource Manager (ARM) allows an unauthorized attacker to elevate privileges over a…
CVE-2026-42822 — Critical (CVSS 10.0): Improper authentication in Azure Local Disconnected Operations allows an unauthorized attacker to elevate privileges…
CVE-2026-20182 — Critical (CVSS 10.0): May 2026: This security advisory provides the details and fix information for a vulnerability that was discovered and…

Browse all CWE-287 (Improper Authentication) vulnerabilities →