How severe is CVE-2018-5249?

CVE-2018-5249 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-2018-5249 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (71st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-5249?

CVE-2018-5249 affects Shaarli Project Shaarli. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-5249?

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

When was CVE-2018-5249 published?

CVE-2018-5249 was published on 2018-01-05 and last updated on 2026-06-17.

CVE-2018-5249

CVE-2018-5249 is a medium-severity vulnerability in Shaarli Project Shaarli 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)
CVSS v2: 4.3
EPSS exploit prediction: 2% (71st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Shaarli Project Shaarli
Published: 2018-01-05
Last modified: 2026-06-17

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).

Frequently asked questions

What is CVE-2018-5249?: 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).
How severe is CVE-2018-5249?: CVE-2018-5249 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-2018-5249 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (71st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-5249?: CVE-2018-5249 affects Shaarli Project Shaarli. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-5249?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2018-5249 published?: CVE-2018-5249 was published on 2018-01-05 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:shaarli_project:shaarli:*:*:*:*:*:*:*:*

More vulnerabilities in Shaarli Project Shaarli

CVE-2023-49469 — Medium (CVSS 6.1): Reflected Cross Site Scripting (XSS) vulnerability in Shaarli v0.12.2, allows remote attackers to execute arbitrary…
CVE-2013-7351 — Medium (CVSS 6.1): Multiple cross-site scripting (XSS) vulnerabilities in index.php in Shaarli allow remote attackers to inject arbitrary…
CVE-2017-15215 — Medium (CVSS 6.1): Reflected XSS vulnerability in Shaarli v0.9.1 allows an unauthenticated attacker to inject JavaScript via the…
CVE-2026-24476 — Medium (CVSS 5.4): Shaarli is a personal bookmarking service. Prior to version 0.16.0, crafting a malicious tag which starting with `"`…

All CVEs affecting Shaarli Project Shaarli →

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

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…
CVE-2023-45144 — Critical (CVSS 10.0): com.xwiki.identity-oauth:identity-oauth-ui is a package to aid in building identity and service providers based on…
CVE-2023-45138 — Critical (CVSS 10.0): Change Request is an pplication allowing users to request changes on a wiki without publishing the changes directly.…
CVE-2022-4361 — Critical (CVSS 10.0): Keycloak, an open-source identity and access management solution, has a cross-site scripting (XSS) vulnerability in the…

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