CVE-2026-8493

MEDIUMNVD 5.4

5.4

Improper Neutralization of Input During Web Page Generation ("Cross-site Scripting") vulnerability in Drupal Colorbox Inline allows Cross-Site Scripting (XSS).

This issue affects Colorbox Inline: from 0.0.0 before 2.1.1.

CVSS v3: 5.4
EG Score: 0.0(none)
EPSS: 8.9%
KEV: Not listed

Published

May 19, 2026

Last Modified

May 27, 2026

References (1)

mlhess@drupalhttps://www.drupal.org/sa-contrib-2026-036

Vendor Advisories for CVE-2026-8493(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

GHSA-3mw4-ccpc-mvj9
GitHub Security AdvisoriesMedium
Improper Neutralization of Input During Web Page Generation ("Cross-site Scripting")...

Affected Packages

(1 across 1 ecosystem)

Packagist:https://packages.drupal.org/8(1)

Package	Vulnerable range	Fixed in	Dependents
drupal/colorbox_inline	—	2.1.1	—

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-79Cross-site Scripting (XSS)

Data Freshness Timeline

(refreshed 8× in last 7d / 12× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-05-31 22:30 UTCepss_batch
2026-05-31 00:16 UTCepss_batch
2026-05-29 13:44 UTCepss_batch
2026-05-28 13:44 UTCepss_batch
2026-05-27 13:40 UTCepss_batch
2026-05-27 13:40 UTCepss_batch
2026-05-26 13:44 UTCepss_batch
2026-05-26 07:18 UTCepss_batch
2026-05-21 22:43 UTCepss_batch
2026-05-20 22:38 UTCepss_batch
2026-05-20 11:37 UTCEG score recompute
2026-05-20 11:37 UTCGHSA enrichment

Frequently asked(5)

What is CVE-2026-8493?

CVE-2026-8493 is a medium vulnerability published on May 19, 2026. Improper Neutralization of Input During Web Page Generation ("Cross-site Scripting") vulnerability in Drupal Colorbox Inline allows Cross-Site Scripting (XSS). This issue affects Colorbox Inline: from 0.0.0 before 2.1.1.

When was CVE-2026-8493 disclosed?

CVE-2026-8493 was first published in the National Vulnerability Database on May 19, 2026, with the most recent update on May 27, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2026-8493 actively exploited?

CVE-2026-8493 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 8.9% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2026-8493?

CVE-2026-8493 has a CVSS v3 base score of 5.4 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 0.0.

How do I remediate CVE-2026-8493?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-8493, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

See which npm, PyPI, Go, and Maven packages are affected by CVE-2026-8493

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CVE-2026-8493

📅 Published

🔄 Last Modified

🔗 References (1)

📣 Vendor Advisories for CVE-2026-8493(1)