CVE-2020-1949

CVE-2020-1949 is a medium-severity vulnerability in Apache Sling Cms 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

Description

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.

Frequently asked questions

What is 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.
How severe is CVE-2020-1949?
CVE-2020-1949 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-2020-1949 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (78th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-1949?
CVE-2020-1949 affects Apache Sling Cms. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-1949?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-1949 published?
CVE-2020-1949 was published on 2020-04-01 and last updated on 2026-06-17.

References

Affected products (1)

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