CVE-2025-31811
CVE-2025-31811 is a medium-severity vulnerability with a CVSS 3.x base score of 6.5. 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 6.5)
- EPSS exploit prediction: 0% (25th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2025-9226
- Weakness: CWE-79
- Published:
- Last modified:
Description
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in xtreeme Planyo online reservation system planyo-online-reservation-system allows Stored XSS.This issue affects Planyo online reservation system: from n/a through <= 3.1.
Frequently asked questions
- What is CVE-2025-31811?
- Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in xtreeme Planyo online reservation system planyo-online-reservation-system allows Stored XSS.This issue affects Planyo online reservation system: from n/a through <= 3.1.
- How severe is CVE-2025-31811?
- CVE-2025-31811 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability low.
- Is CVE-2025-31811 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (25th percentile), an estimate of the probability of exploitation in the next 30 days.
- How do I fix CVE-2025-31811?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- Does CVE-2025-31811 have an EU (EUVD) identifier?
- Yes. CVE-2025-31811 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-9226.
- When was CVE-2025-31811 published?
- CVE-2025-31811 was published on 2025-04-01 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…
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- 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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