CVE-2025-28877
CVE-2025-28877 is a high-severity vulnerability with a CVSS 3.x base score of 7.1. 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-79.
Key facts
- Severity: High (CVSS 3.x base score 7.1)
- EPSS exploit prediction: 0% (21st percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2025-8154
- Weakness: CWE-79
- Published:
- Last modified:
Description
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in m.tiggelaar Key4ce osTicket Bridge key4ce-osticket-bridge allows Reflected XSS.This issue affects Key4ce osTicket Bridge: from n/a through <= 1.4.0.
Frequently asked questions
- What is CVE-2025-28877?
- Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in m.tiggelaar Key4ce osTicket Bridge key4ce-osticket-bridge allows Reflected XSS.This issue affects Key4ce osTicket Bridge: from n/a through <= 1.4.0.
- How severe is CVE-2025-28877?
- CVE-2025-28877 has a CVSS 3.x base score of 7.1, rated high 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 low.
- Is CVE-2025-28877 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (21st percentile), an estimate of the probability of exploitation in the next 30 days.
- How do I fix CVE-2025-28877?
- 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-2025-28877 have an EU (EUVD) identifier?
- Yes. CVE-2025-28877 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-8154.
- When was CVE-2025-28877 published?
- CVE-2025-28877 was published on 2025-03-26 and last updated on 2026-06-17.
References
Other CWE-79 (Cross-site Scripting (XSS)) vulnerabilities
- CVE-2025-49410 — Critical (CVSS 10.0): Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Imran Emu TC…
- CVE-2024-47875 — Critical (CVSS 10.0): DOMPurify is a DOM-only, super-fast, uber-tolerant XSS sanitizer for HTML, MathML and SVG. DOMpurify was vulnerable to…
- CVE-2024-6886 — Critical (CVSS 10.0): Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Gitea…
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- CVE-2022-4361 — Critical (CVSS 10.0): Keycloak, an open-source identity and access management solution, has a cross-site scripting (XSS) vulnerability in the…
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