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.
CVE-2022-25887
This medium-severity CVE scores 5.3 under NVD CVSS v3. EPSS exploit probability: 0.4%, top 36% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).
- Lower severity and no public exploit yet
A fix is available — apply it.
- CVSS v3
- 5.3
- EG Score
- 5.3(medium)
- EPSS
- 63.1%
- KEV
- Not listed
Published
August 30, 2022
Last Modified
November 21, 2024
References (8)
- report@snykhttps://github.com/apostrophecms/sanitize-html/commit/b4682c12fd30e12e82fa2d9b766de91d7d2cd23c
- report@snykhttps://github.com/apostrophecms/sanitize-html/pull/557
- report@snykhttps://security.snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-3008102
- report@snykhttps://security.snyk.io/vuln/SNYK-JS-SANITIZEHTML-2957526
- af854a3a-2127-422b-91ae-364da2661108https://github.com/apostrophecms/sanitize-html/commit/b4682c12fd30e12e82fa2d9b766de91d7d2cd23c
- af854a3a-2127-422b-91ae-364da2661108https://github.com/apostrophecms/sanitize-html/pull/557
- af854a3a-2127-422b-91ae-364da2661108https://security.snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-3008102
- af854a3a-2127-422b-91ae-364da2661108https://security.snyk.io/vuln/SNYK-JS-SANITIZEHTML-2957526
Vendor Advisories for CVE-2022-25887(1)
These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.
Patch Availability(1)
| Vendor / Ecosystem | Fixed in / Patch | Released | Source |
|---|---|---|---|
| ubuntu | python3-notebook (6.4.8-1ubuntu0.1+esm1) @ jammy | 2026-05-25 | ubuntu |
Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.
Affected Packages
(1 across 1 ecosystem)
npm(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| sanitize-html | — | 2.7.1 | — |
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
All Vendor Advisories
(1)
Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.
Data Freshness Timeline
(refreshed 8× in last 7d / 44× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
- 2026-07-11 08:25 UTCEPSS rescore
- 2026-07-09 19:07 UTCEPSS rescore
- 2026-07-08 15:12 UTCEPSS rescore
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- 2026-06-29 14:04 UTCEPSS rescore
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- 2026-06-28 19:32 UTCOSV refresh
- 2026-06-28 14:06 UTCEPSS rescore
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- 2026-06-25 13:48 UTCEPSS rescore
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- 2026-06-23 21:31 UTCEPSS rescore
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- 2026-06-22 14:24 UTCEPSS rescore
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- 2026-06-11 13:39 UTCOSV refresh
- 2026-06-10 22:16 UTCEPSS rescore
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- 2026-05-31 00:15 UTCEPSS rescore
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- 2026-05-29 13:42 UTCEPSS rescore
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- 2026-05-27 13:39 UTCEPSS rescore
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- 2026-05-26 13:43 UTCEPSS rescore
- 2026-05-26 07:17 UTCEPSS rescore
- 2026-05-26 07:17 UTCEPSS rescore
- 2026-05-25 16:17 UTCEG score recompute
- 2026-05-25 16:17 UTCVendor advisory
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Frequently asked(5)
What is CVE-2022-25887?
When was CVE-2022-25887 disclosed?
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What is the CVSS score of CVE-2022-25887?
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Dependency Blast Radius
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