Inefficient Algorithmic Complexity vulnerability in the traversal engine in rrrene html_sanitize_ex allows an unauthenticated remote attacker to exhaust server CPU and memory via a flat run of sibling elements in sanitiz…
CVSS 4.0HIGH 8.2·Network·No auth·No interaction·EPSS 0.00802·Published 2026-08-06·Fixed in 1.4.5, 1.5.3CWE-407
Inefficient Regular Expression Complexity vulnerability in the CSS scrubber in rrrene html_sanitize_ex allows an unauthenticated remote attacker to exhaust server CPU via a long CSS declaration in sanitized HTML.
CVSS 4.0HIGH 8.2·Network·No auth·No interaction·EPSS 0.00802·Published 2026-08-06·Fixed in 1.4.5, 1.5.3CWE-1333
URL Redirection to Untrusted Site ('Open Redirect') vulnerability in the HTML5 scrubber in rrrene html_sanitize_ex allows an unauthenticated remote attacker to retarget a form already on the rendering page and receive wh…
CVSS 4.0MEDIUM 4.8·Network·No auth·User interaction·EPSS 0.00403·Published 2026-08-06·Fixed in 1.4.5, 1.5.3CWE-601
Inclusion of Functionality from Untrusted Control Sphere vulnerability in the HTML5 scrubber in rrrene html_sanitize_ex allows a remote attacker to load a document of their choosing into a trusted page via the data attri…
CVSS 4.0LOW 2.3·Network·No auth·User interaction·EPSS 0.00512·Published 2026-08-06·Fixed in 1.4.5, 1.5.3CWE-829
URL Redirection to Untrusted Site ('Open Redirect') vulnerability in the HTML5 scrubber in rrrene html_sanitize_ex allows a remote attacker to force visitors of a page to navigate to a site of the attacker's choosing via…
CVSS 4.0LOW 2.3·Network·No auth·User interaction·EPSS 0.00566·Published 2026-08-06·Fixed in 1.4.5, 1.5.3CWE-601
Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection') vulnerability in the CSS scrubber in rrrene html_sanitize_ex allows an unauthenticated remote attacker to inject CSS at-r…
CVSS 4.0LOW 2.3·Network·No auth·User interaction·EPSS 0.00448·Published 2026-08-06·Fixed in 1.4.5, 1.5.4CWE-74