How severe is CVE-2026-73192?

CVE-2026-73192 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-2026-73192 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (26th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-73192?

CVE-2026-73192 affects Apache Sling Xss Protection Api. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-73192?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2026-73192 published?

CVE-2026-73192 was published on 2026-09-23 and last updated on 2026-09-30.

CVE-2026-73192

CVE-2026-73192 is a medium-severity vulnerability in Apache Sling Xss Protection Api 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% (26th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Apache Sling Xss Protection Api
Published: 2026-09-23
Last modified: 2026-09-30

Description

An improper neutralization of input during web page generation ('Cross-site Scripting') [CWE-79] vulnerability when using the XSSAPI.getValidHref() in Apache Sling XSS version 2.4.10 and prior may allow an attacker to perform a reflected cross-site scripting (XSS) attack in every feature using this method. In order to successfully attack an application, the attacker needs to be able to submit a value which is not correctly sanitized by that library. Upgrade to Apache Sling XSS >= 2.4.12

Frequently asked questions

What is CVE-2026-73192?: An improper neutralization of input during web page generation ('Cross-site Scripting') [CWE-79] vulnerability when using the XSSAPI.getValidHref() in Apache Sling XSS version 2.4.10 and prior may allow an attacker to perform a reflected cross-site scripting (XSS) attack in every feature using this method. In order to successfully attack an application, the attacker needs to be able to submit a value which is not correctly sanitized by that library. Upgrade to Apache Sling XSS >= 2.4.12
How severe is CVE-2026-73192?: CVE-2026-73192 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-2026-73192 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (26th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-73192?: CVE-2026-73192 affects Apache Sling Xss Protection Api. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-73192?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2026-73192 published?: CVE-2026-73192 was published on 2026-09-23 and last updated on 2026-09-30.

References

Affected products (1)

cpe:2.3:a:apache:sling_xss_protection_api:*:*:*:*:*:*:*:*

More vulnerabilities in Apache Sling Xss Protection Api

CVE-2026-92001 — Medium (CVSS 6.1): Improper restriction of recursive entity references in DTDs ('XML entity expansion') vulnerability in Apache Sling…
CVE-2026-91999 — Medium (CVSS 6.1): Improper neutralization of input during web page generation ('cross-site scripting') vulnerability in Apache Sling…
CVE-2026-91928 — Medium (CVSS 6.1): Improper neutralization of input during web page generation ('cross-site scripting') vulnerability in Apache Sling…
CVE-2026-91852 — Medium (CVSS 6.1): Improper neutralization of input during web page generation ('cross-site scripting') vulnerability in Apache Sling…
CVE-2017-15717 — Medium (CVSS 6.1): A flaw in the way URLs are escaped and encoded in the org.apache.sling.xss.impl.XSSAPIImpl#getValidHref and…

All CVEs affecting Apache Sling Xss Protection Api →

Other CWE-79 (Cross-site Scripting (XSS)) vulnerabilities

CVE-2026-106102 — Critical (CVSS 10.0): Quasar Framework is a framework for building high-performance Vue.js user interfaces. Prior to 2.22.0, the SSR-only…
CVE-2026-59167 — Critical (CVSS 10.0): SunEditor is a lightweight and powerful WYSIWYG editor in vanilla JavaScript with no dependencies. Prior to 2.47.11,…
CVE-2026-85061 — Critical (CVSS 10.0): MapLibre GL JS is an interactive vector tile map library for web browsers. Prior to 6.4.1, DOM.sanitize() in…
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…

Browse all CWE-79 (Cross-site Scripting (XSS)) vulnerabilities →