CVE-2020-23849
CVE-2020-23849 is a medium-severity vulnerability in Jsoneditoronline Jsoneditor 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)
- CVSS v2: 4.3
- EPSS exploit prediction: 1% (48th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-79
- Affected product: Jsoneditoronline Jsoneditor
- Published:
- Last modified:
Description
Stored XSS was discovered in the tree mode of jsoneditor before 9.0.2 through injecting and executing JavaScript.
Frequently asked questions
- What is CVE-2020-23849?
- Stored XSS was discovered in the tree mode of jsoneditor before 9.0.2 through injecting and executing JavaScript.
- How severe is CVE-2020-23849?
- CVE-2020-23849 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-2020-23849 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (48th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2020-23849?
- CVE-2020-23849 affects Jsoneditoronline Jsoneditor. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2020-23849?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2020-23849 published?
- CVE-2020-23849 was published on 2021-01-11 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:jsoneditoronline:jsoneditor:*:*:*:*:*:*:*:*
More vulnerabilities in Jsoneditoronline Jsoneditor
- CVE-2021-3822 — High (CVSS 7.5): jsoneditor is vulnerable to Inefficient Regular Expression Complexity
All CVEs affecting Jsoneditoronline Jsoneditor →
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 →