# CVE-2021-20293: Cross-Site Scripting

Source: https://junglewise.ai/threats/cve-2021-20293-cross-site-scripting  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2021-06-15  
License: CC BY 4.0 with a link back

CVE-2021-20293 · Severity: low · CVSS 3.1 · Published 2021-06-15

Cross-Site Scripting

Technologies: [org.jboss.resteasy:resteasy-bom (Maven)](https://junglewise.ai/threats/technologies/org-jboss-resteasy-resteasy-bom), [org.jboss.resteasy:resteasy-core (Maven)](https://junglewise.ai/threats/technologies/org-jboss-resteasy-resteasy-core). Vendors: [Maven](https://junglewise.ai/threats/vendors/maven).

## Quick answers

**Is CVE-2021-20293 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2021-20293 being exploited in the wild.

**How severe is CVE-2021-20293?** Low severity, with a CVSS score of 3.1, published 15 June 2021.

**Which products and versions are affected?** org.jboss.resteasy:resteasy-bom (Maven) ECOSYSTEM:introduced=0,last_affected=4.6.0.Final; org.jboss.resteasy:resteasy-core (Maven) ECOSYSTEM:introduced=0,last_affected=4.6.0.Final.

**Is there a fix for CVE-2021-20293?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**Am I affected by CVE-2021-20293?** Check whether you run org.jboss.resteasy:resteasy-bom (Maven) or org.jboss.resteasy:resteasy-core (Maven) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Affected products

- org.jboss.resteasy:resteasy-bom (Maven) ECOSYSTEM:introduced=0,last_affected=4.6.0.Final
- org.jboss.resteasy:resteasy-core (Maven) ECOSYSTEM:introduced=0,last_affected=4.6.0.Final

## Identifiers

- CVE-2021-20293
- GHSA-5h26-c766-g93v

## Related threats

- [Insecure Temporary File in RESTEasy](https://junglewise.ai/threats/cve-2023-0482-insecure-temporary-file-in-resteasy)
- [Duplicate Advisory: Insecure Temporary File in RESTEasy](https://junglewise.ai/threats/duplicate-advisory-insecure-temporary-file-in-resteasy-312a0bed)
- [JBoss RESTEasy vulnerable to Improper Input Validation](https://junglewise.ai/threats/cve-2016-9606-jboss-resteasy-vulnerable-to-improper-input-validation)
- [RESTEasy 4.5.5.Final in hash flooding](https://junglewise.ai/threats/cve-2020-14326-resteasy-4-5-5-final-in-hash-flooding)
- [Cross-site scripting in RESTEasy](https://junglewise.ai/threats/cve-2020-10688-cross-site-scripting-in-resteasy)