CVE-2022-25887 — Regex Denial of Service in Sanitize-html

CWE-1333 — Regex Denial of ServiceCWE-185 — Incorrect Regular Expression8 documents7 sources
Severity
7.5HIGHNVD
CNA5.3
EPSS
0.4%
top 36.43%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
1
Apostrophecms Sanitize-html
Timeline
PublishedAug 30
Latest updateApr 28

Description

The package sanitize-html before 2.7.1 are vulnerable to Regular Expression Denial of Service (ReDoS) due to insecure global regular expression replacement logic of HTML comment removal.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HExploitability: 3.9 | Impact: 3.6

Affected Packages3 packages

▶CVEListV5apostrophecms/sanitize-htmlunspecified — 2.7.1

Patches

Patch: github.com ↗Patch: github.com ↗Patch: security.snyk.io ↗

🔴Vulnerability Details

4
OSV
Sanitize-html Vulnerable To REDoS Attacks↗2022-08-31
▶
GHSA
Sanitize-html Vulnerable To REDoS Attacks↗2022-08-31
▶
CVEList
Regular Expression Denial of Service (ReDoS)↗2022-08-30
▶
OSV
CVE-2022-25887: The package sanitize-html before 2↗2022-08-30
▶

📋Vendor Advisories

3
Ubuntu
Jupyter Notebook vulnerability↗2025-04-28
▶
Red Hat
sanitize-html: insecure global regular expression replacement logic may lead to ReDoS↗2022-08-30
▶
Debian
CVE-2022-25887: node-sanitize-html - The package sanitize-html before 2.7.1 are vulnerable to Regular Expression Deni...↗2022
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CVE-2022-25887 — Regex Denial of Service | cvebase