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{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0.0.0,1.2.1)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "cna", "scores": [{"score": 100.0, "source": "cna"}]}, "original": {"product": "Theme Negotiation by Rules", "source": "cna", "vendor": "Drupal"}, "product": "theme_negotiation_by_rules", "vendor": "drupal"}], "analysis": {"en": {"generated_at": "2026-03-25T23:17:36.056858+00:00", "value": {"mitigation_remediation": ["Upgrade the Theme Negotiation by Rules module to version 1.2.1 or later.", "Verify that the updated module is installed and the vulnerable versions are no longer present.", "If an upgrade cannot be performed immediately, consider disabling the module until a patch is applied and monitor site activity for unauthorized requests."], "summary": {"action": "Immediate Patch", "impact": "Cross\u2011Site Request Forgery"}, "threat_synthesis": {"affected_systems": "Drupal\u2019s Theme Negotiation by Rules module is vulnerable in all releases from 0.0.0 up to, but not including, version 1.2.1. Any Drupal site that includes one of these versions of the module is potentially exposed.", "description_and_impact": "The Drupal Theme Negotiation by Rules module contains a CSRF flaw that can allow an attacker to submit requests on behalf of a logged\u2011in user. Because the module does not enforce a CSRF token or validate request origins, unintended actions could be performed using the victim\u2019s privileges, potentially compromising configuration or other module functionality. The exact scope of the unintended actions is not detailed in the CVE, but any action that the module processes with authenticated credentials could be affected.", "risk_and_exploitability": "The CVSS score of 6.3 denotes moderate severity. EPSS data is unavailable, so the likelihood of exploitation cannot be quantified. The publicly documented flaw indicates that an attacker could exploit the lack of CSRF protection by directing a victim\u2019s browser to a crafted URL, a web\u2011based attack vector that is inferred from the nature of CSRF. The vulnerability is not listed in the CISA KEV catalog, but it remains a significant exposure until patched."}}}}, "created": "2026-03-25T21:31:04.559489+00:00", "updated": "2026-03-26T12:13:21.425847+00:00", "vendors": ["drupal", "drupal$PRODUCT$theme_negotiation_by_rules"]}