How severe is CVE-2013-3684?

CVE-2013-3684 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2013-3684 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 19% (97th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2013-3684?

CVE-2013-3684 affects Imagely Nextgen Gallery. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2013-3684?

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

When was CVE-2013-3684 published?

CVE-2013-3684 was published on 2020-02-11 and last updated on 2026-06-16.

CVE-2013-3684

CVE-2013-3684 is a critical-severity vulnerability in Imagely Nextgen Gallery with a CVSS 3.x base score of 9.8. Its EPSS exploit-prediction score of 19% places it in the 97th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-434.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 10.0
EPSS exploit prediction: 19% (97th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-434
Affected product: Imagely Nextgen Gallery
Published: 2020-02-11
Last modified: 2026-06-16

Description

NextGEN Gallery plugin before 1.9.13 for WordPress: ngggallery.php file upload

Frequently asked questions

What is CVE-2013-3684?: NextGEN Gallery plugin before 1.9.13 for WordPress: ngggallery.php file upload
How severe is CVE-2013-3684?: CVE-2013-3684 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2013-3684 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 19% (97th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2013-3684?: CVE-2013-3684 affects Imagely Nextgen Gallery. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2013-3684?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2013-3684 published?: CVE-2013-3684 was published on 2020-02-11 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:imagely:nextgen_gallery:*:*:*:*:*:wordpress:*:*

More vulnerabilities in Imagely Nextgen Gallery

CVE-2019-14314 — Critical (CVSS 9.8): A SQL injection vulnerability exists in the Imagely NextGEN Gallery plugin before 3.2.11 for WordPress. Successful…
CVE-2016-10889 — Critical (CVSS 9.8): The nextgen-gallery plugin before 2.1.57 for WordPress has SQL injection via a gallery name.
CVE-2015-1784 — High (CVSS 8.8): In nextgen-galery wordpress plugin before 2.0.77.3 there are two vulnerabilities which can allow an attacker to gain…
CVE-2020-35942 — High (CVSS 8.8): A Cross-Site Request Forgery (CSRF) issue in the NextGEN Gallery plugin before 3.5.0 for WordPress allows File Upload…
CVE-2015-9228 — High (CVSS 8.8): In post-new.php in the Photocrati NextGEN Gallery plugin 2.1.10 for WordPress, unrestricted file upload is available…
CVE-2023-3154 — High (CVSS 7.5): The WordPress Gallery Plugin WordPress plugin before 3.39 is vulnerable to PHAR Deserialization due to a lack of input…

All CVEs affecting Imagely Nextgen Gallery →

Other CWE-434 (Unrestricted Upload of File with Dangerous Type) vulnerabilities

CVE-2026-48283 — Critical (CVSS 10.0): ColdFusion versions 2025.9, 2023.20 and earlier are affected by an Unrestricted Upload of File with Dangerous Type…
CVE-2026-48276 — Critical (CVSS 10.0): ColdFusion versions 2025.9, 2023.20 and earlier are affected by an Unrestricted Upload of File with Dangerous Type…
CVE-2026-57700 — Critical (CVSS 10.0): Unrestricted Upload of File with Dangerous Type vulnerability in Daan.Dev OMGF Pro allows Using Malicious Files. This…
CVE-2025-69129 — Critical (CVSS 10.0): Unauthenticated Arbitrary File Upload in WordPress & WooCommerce Scraper Plugin, Import Data from Any Site <= 1.0.7…
CVE-2026-40772 — Critical (CVSS 10.0): Unauthenticated Arbitrary File Upload in GeekyBot <= 1.2.2 versions.
CVE-2026-40412 — Critical (CVSS 10.0): Unrestricted upload of file with dangerous type in Azure Orbital Spatio allows an unauthorized attacker to execute code…

Browse all CWE-434 (Unrestricted Upload of File with Dangerous Type) vulnerabilities →