Is CVE-2018-5249 in the CISA KEV catalog?

No. CVE-2018-5249 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2018-5249?

CVE-2018-5249 has a CVSS v3 base score of 6.1 (MEDIUM).

What is the EPSS score for CVE-2018-5249?

CVE-2018-5249 has an EPSS score of 1.50% (71th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2018-5249?

Upgrade shaarli to 0.9.3 or later.

CVE & CISA-KEV Catalog

CVE-2018-5249

MEDIUMEPSS 71th pctl

6.1

CVSS v3

NVD

Description

Cross-site scripting (XSS) vulnerability in Shaarli before 0.8.5 and 0.9.x before 0.9.3 allows remote attackers to inject arbitrary code via the login form's username field (aka the login parameter to the ban_canLogin function in index.php).

CWE-79Cross-Site Scripting (XSS)

How to fix

Remediation Available

shaarliNVD

Affected:>= 0.9.0, < 0.9.3Fixed in:0.9.3CVE-2018-5249derived 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

AvailabilityNone

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Exploit Intelligence

1.50%probability of exploitation in 30 days

71stpercentile

Elevated risk: more likely to be exploited than 71% of all known CVEs.

References

Third-Party Advisory3

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.