Is CVE-2023-49782 in the CISA KEV catalog?

No. CVE-2023-49782 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2023-49782?

CVE-2023-49782 has a CVSS v3 base score of 7.1 (HIGH).

What is the EPSS score for CVE-2023-49782?

CVE-2023-49782 has an EPSS score of 0.41% (33th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2023-49782?

Upgrade richdocumentscode to 23.5.601 or later.

CVE & CISA-KEV Catalog

CVE-2023-49782

HIGH

7.1

CVSS v3

NVD

Description

Collabora Online is a collaborative online office suite based on LibreOffice technology. Users of Nextcloud with `Collabora Online - Built-in CODE Server` app can be vulnerable to attack via proxy.php. The bug was fixed in Collabora Online - Built-in CODE Server (richdocumentscode) release 23.5.601. Users are advised to upgrade. There are no known workarounds for this vulnerability.

CWE-79Cross-Site Scripting (XSS)

How to fix

Remediation Available

richdocumentscodeNVD

Affected:< 23.5.601Fixed in:23.5.601CVE-2023-49782derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionRequired

ScopeChanged

Impact

ConfidentialityLow

IntegrityLow

AvailabilityLow

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L

Exploit Intelligence

0.41%probability of exploitation in 30 days

33rdpercentile

Low risk: more likely to be exploited than 33% of all known CVEs.

References

Vendor Advisory1

github.com

Product1

apps.nextcloud.com

Related Vulnerabilities

Other CWE-79 (Cross-Site Scripting (XSS)) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2020-11022	Medium	6.9	99%	-	Fix
CVE-2019-3929	Critical	9.8	99%	KEV	Fix
CVE-2020-9496	Medium	6.1	99%	-	-
CVE-2023-28341	Medium	6.1	99%	-	Fix
CVE-2018-12998	Medium	6.1	98%	-	-
CVE-2025-4123	High	7.6	98%	-	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.