CVE-2026-28436
CVE-2026-28436 is a high-severity vulnerability in Frappe with a CVSS 3.x base score of 7.2. 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: High (CVSS 3.x base score 7.2)
- CVSS v4: 1.3
- EPSS exploit prediction: 0% (7th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2026-9878
- Weakness: CWE-79
- Affected product: Frappe
- Published:
- Last modified:
Description
Frappe is a full-stack web application framework. Prior to versions 16.11.0 and 15.102.0, an attacker can set a crafted image URL that results in XSS when the avatar is displayed, and it can be triggered for other users via website page comments. This issue has been patched in versions 16.11.0 and 15.102.0.
Frequently asked questions
- What is CVE-2026-28436?
- Frappe is a full-stack web application framework. Prior to versions 16.11.0 and 15.102.0, an attacker can set a crafted image URL that results in XSS when the avatar is displayed, and it can be triggered for other users via website page comments. This issue has been patched in versions 16.11.0 and 15.102.0.
- How severe is CVE-2026-28436?
- CVE-2026-28436 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.
- Is CVE-2026-28436 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (7th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2026-28436?
- CVE-2026-28436 affects Frappe. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2026-28436?
- 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.
- Does CVE-2026-28436 have an EU (EUVD) identifier?
- Yes. CVE-2026-28436 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-9878.
- When was CVE-2026-28436 published?
- CVE-2026-28436 was published on 2026-03-05 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:frappe:frappe:*:*:*:*:*:*:*:*
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