CVE-2025-50866
CVE-2025-50866 is a medium-severity vulnerability in Vishalmathur Cloudclassroom 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-79.
Key facts
- Severity: Medium (CVSS 3.x base score 6.1)
- EPSS exploit prediction: 0% (19th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2025-23295
- Weakness: CWE-79
- Affected product: Vishalmathur Cloudclassroom
- Published:
- Last modified:
Description
CloudClassroom-PHP-Project 1.0 contains a reflected Cross-site Scripting (XSS) vulnerability in the email parameter of the postquerypublic endpoint. Improper sanitization allows an attacker to inject arbitrary JavaScript code that executes in the context of the user s browser, potentially leading to session hijacking or phishing attacks.
Frequently asked questions
- What is CVE-2025-50866?
- CloudClassroom-PHP-Project 1.0 contains a reflected Cross-site Scripting (XSS) vulnerability in the email parameter of the postquerypublic endpoint. Improper sanitization allows an attacker to inject arbitrary JavaScript code that executes in the context of the user s browser, potentially leading to session hijacking or phishing attacks.
- How severe is CVE-2025-50866?
- CVE-2025-50866 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-2025-50866 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (19th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2025-50866?
- CVE-2025-50866 affects Vishalmathur Cloudclassroom. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2025-50866?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- Does CVE-2025-50866 have an EU (EUVD) identifier?
- Yes. CVE-2025-50866 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-23295.
- When was CVE-2025-50866 published?
- CVE-2025-50866 was published on 2025-07-31 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:vishalmathur:cloudclassroom:1.0:*:*:*:*:*:*:*
More vulnerabilities in Vishalmathur Cloudclassroom
- CVE-2025-50867 — Medium (CVSS 6.5): A SQL Injection vulnerability exists in the takeassessment2.php endpoint of the CloudClassroom-PHP-Project 1.0, where…
All CVEs affecting Vishalmathur Cloudclassroom →
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…
- CVE-2023-45144 — Critical (CVSS 10.0): com.xwiki.identity-oauth:identity-oauth-ui is a package to aid in building identity and service providers based on…
- CVE-2023-45138 — Critical (CVSS 10.0): Change Request is an pplication allowing users to request changes on a wiki without publishing the changes directly.…
- 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…
Browse all CWE-79 (Cross-site Scripting (XSS)) vulnerabilities →