CVE-2019-11016
CVE-2019-11016 is a medium-severity vulnerability in Elgg with a CVSS 3.x base score of 6.1. 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-601.
Key facts
- Severity: Medium (CVSS 3.x base score 6.1)
- CVSS v2: 5.8
- EPSS exploit prediction: 1% (64th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-601
- Affected product: Elgg
- Published:
- Last modified:
Description
Elgg before 1.12.18 and 2.3.x before 2.3.11 has an open redirect.
Frequently asked questions
- What is CVE-2019-11016?
- Elgg before 1.12.18 and 2.3.x before 2.3.11 has an open redirect.
- How severe is CVE-2019-11016?
- CVE-2019-11016 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
- Is CVE-2019-11016 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (64th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2019-11016?
- CVE-2019-11016 affects Elgg. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2019-11016?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2019-11016 published?
- CVE-2019-11016 was published on 2019-04-08 and last updated on 2026-06-17.
References
- https://elgg.org/blog/view/2913744/security-release-elgg-11218-and-2311
- https://github.com/Elgg/Elgg/releases/tag/1.12.18
- https://github.com/Elgg/Elgg/releases/tag/2.3.11
Affected products (1)
- cpe:2.3:a:elgg:elgg:*:*:*:*:*:*:*:*
More vulnerabilities in Elgg
- CVE-2011-2936 — Critical (CVSS 9.8): Elgg through 1.7.10 has a SQL injection vulnerability
- CVE-2021-3980 — High (CVSS 7.5): elgg is vulnerable to Exposure of Private Personal Information to an Unauthorized Actor
- CVE-2012-6562 — Medium (CVSS 6.8): engine/lib/users.php in Elgg before 1.8.5 does not properly specify permissions for the useradd action, which allows…
- CVE-2011-2935 — Medium (CVSS 6.1): Elgg through 1.7.10 has XSS
- CVE-2021-3964 — Medium (CVSS 5.9): elgg is vulnerable to Authorization Bypass Through User-Controlled Key
- CVE-2021-4072 — Medium (CVSS 5.4): elgg is vulnerable to Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Other CWE-601 (Open Redirect) vulnerabilities
- CVE-2018-3774 — Critical (CVSS 10.0): Incorrect parsing in url-parse <1.4.3 returns wrong hostname which leads to multiple vulnerabilities such as SSRF, Open…
- CVE-2019-25282 — Critical (CVSS 9.8): V-SOL GPON/EPON OLT Platform v2.03 contains an open redirect vulnerability in the script that allows attackers to…
- CVE-2020-36912 — Critical (CVSS 9.8): Plexus anblick Digital Signage Management 3.1.13 contains an open redirect vulnerability in the 'PantallaLogin' script…
- CVE-2025-43526 — Critical (CVSS 9.8): This issue was addressed with improved URL validation. This issue is fixed in Safari 26.2, macOS Tahoe 26.2. On a Mac…
- CVE-2025-55031 — Critical (CVSS 9.8): Malicious pages could use Firefox for iOS to pass FIDO: links to the OS and trigger the hybrid passkey transport. An…
- CVE-2024-22891 — Critical (CVSS 9.8): Nteract v.0.28.0 was discovered to contain a remote code execution (RCE) vulnerability via the Markdown link.