CVE-2026-28413
CVE-2026-28413 is a medium-severity vulnerability in Plone Isurlinportal with a CVSS 3.x base score of 5.3. 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-601.
Key facts
- Severity: Medium (CVSS 3.x base score 5.3)
- EPSS exploit prediction: 0% (13th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2026-9872
- Weakness: CWE-601
- Affected product: Plone Isurlinportal
- Published:
- Last modified:
Description
Products.isurlinportal is a replacement for isURLInPortal method in Plone. Prior to versions 2.1.0, 3.1.0, and 4.0.0, a url /login?came_from=////evil.example may redirect to an external website after login. This issue has been patched in versions 2.1.0, 3.1.0, and 4.0.0.
Frequently asked questions
- What is CVE-2026-28413?
- Products.isurlinportal is a replacement for isURLInPortal method in Plone. Prior to versions 2.1.0, 3.1.0, and 4.0.0, a url /login?came_from=////evil.example may redirect to an external website after login. This issue has been patched in versions 2.1.0, 3.1.0, and 4.0.0.
- How severe is CVE-2026-28413?
- CVE-2026-28413 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
- Is CVE-2026-28413 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (13th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2026-28413?
- CVE-2026-28413 primarily affects Plone Isurlinportal. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2026-28413?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- Does CVE-2026-28413 have an EU (EUVD) identifier?
- Yes. CVE-2026-28413 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-9872.
- When was CVE-2026-28413 published?
- CVE-2026-28413 was published on 2026-03-05 and last updated on 2026-06-17.
References
Affected products (2)
- cpe:2.3:a:plone:isurlinportal:*:*:*:*:*:plone:*:*
- cpe:2.3:a:plone:isurlinportal:4.0.0:alpha1:*:*:*:plone:*:*
More vulnerabilities in Plone Isurlinportal
- CVE-2021-32806 — Medium (CVSS 6.5): Products.isurlinportal is a replacement for isURLInPortal method in Plone. Versions of Products.isurlinportal prior to…
All CVEs affecting Plone Isurlinportal →
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.