What is CVE-2020-1949?

CVE-2020-1949 is a medium-severity vulnerability in Apache Sling Cms, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2020-04-01.

How severe is CVE-2020-1949?

Medium severity. CVSS v3 base score is 6.1 out of 10.

Is CVE-2020-1949 known to be exploited?

3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

XSS in Apache Sling Cms

CVE-2020-1949

Scripts in Sling CMS before 0.16.0 do not property escape the Sling Selector from URLs when generating navigational elements for the administrative consoles and are vulnerable to reflected XSS attacks.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.020 (78.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

Affected products

Apache Sling_cms
N/a Apache Sling — versions Apache Sling CMS 0.14.0 and previous releases

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

Public proof-of-concept exploits

References

security@apache.org (Mailing List, x_refsource_MISC, Vendor Advisory)

Frequently asked questions

What is CVE-2020-1949?: CVE-2020-1949 is a medium-severity vulnerability in Apache Sling Cms, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2020-04-01.
How severe is CVE-2020-1949?: Medium severity. CVSS v3 base score is 6.1 out of 10.
Is CVE-2020-1949 known to be exploited?: 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.