CVE-2022-42096

MEDIUMNVD 4.84.8—Elevated

4.8

Backdrop CMS version 1.23.0 was discovered to contain a stored cross-site scripting (XSS) vulnerability via Post content.

CVSS v3: 4.8
EG Score: 4.8(medium)
EPSS: 91.5%
KEV: Not listed

Published

November 21, 2022

Last Modified

April 29, 2025

References (8)

cve@mitrehttps://backdropcms.org
cve@mitrehttps://github.com/backdrop/backdrop/releases/tag/1.23.0
cve@mitrehttps://github.com/bypazs/CVE-2022-42096
cve@mitrehttps://grimthereaperteam.medium.com/cve-2022-42096-backdrop-xss-at-posts-437c305036e2
af854a3a-2127-422b-91ae-364da2661108https://backdropcms.org
af854a3a-2127-422b-91ae-364da2661108https://github.com/backdrop/backdrop/releases/tag/1.23.0
af854a3a-2127-422b-91ae-364da2661108https://github.com/bypazs/CVE-2022-42096
af854a3a-2127-422b-91ae-364da2661108https://grimthereaperteam.medium.com/cve-2022-42096-backdrop-xss-at-posts-437c305036e2

Patch Availability(1)

Vendor / Ecosystem	Fixed in / Patch	Released	Source
composer	backdrop/backdrop	—	ghsa

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)

Packagist(1)

Package	Vulnerable range	Fixed in	Dependents
backdrop/backdrop	1.13.2-rc1 ... 1.22.2 (12 versions)	—	—

Weakness Classification(1)

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

CWE-79Cross-site Scripting (XSS)

Data Freshness Timeline

(refreshed 11× in last 7d / 18× 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.

2026-06-02 20:12 UTCepss_batch
2026-06-02 20:11 UTCepss_batch
2026-06-01 13:50 UTCepss_batch
2026-06-01 13:50 UTCepss_batch
2026-05-31 22:29 UTCepss_batch
2026-05-31 22:29 UTCepss_batch
2026-05-31 00:15 UTCepss_batch
2026-05-31 00:15 UTCepss_batch
2026-05-29 13:43 UTCepss_batch
2026-05-28 13:43 UTCepss_batch
2026-05-28 13:43 UTCepss_batch
2026-05-27 13:39 UTCepss_batch
2026-05-27 13:39 UTCepss_batch
2026-05-26 13:43 UTCepss_batch
2026-05-26 13:43 UTCepss_batch
2026-05-26 13:43 UTCepss_batch
2026-05-25 11:44 UTCEG score recompute
2026-05-25 11:44 UTCGHSA enrichment

Publicly available exploits

(1 reference)

Working exploit code is in the public domain. Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

Nucleihttp/cves/2022/CVE-2022-42096.yaml
First seen Jan 1, 2022
Backdrop CMS version 1.23.0 - Cross Site Scripting (Stored)
Open source ↗

Frequently asked(5)

What is CVE-2022-42096?

CVE-2022-42096 is a medium vulnerability published on November 21, 2022. Backdrop CMS version 1.23.0 was discovered to contain a stored cross-site scripting (XSS) vulnerability via Post content.

When was CVE-2022-42096 disclosed?

CVE-2022-42096 was first published in the National Vulnerability Database on November 21, 2022, with the most recent update on April 29, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2022-42096 actively exploited?

CVE-2022-42096 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 91.5% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2022-42096?

CVE-2022-42096 has a CVSS v3 base score of 4.8 (NVD).

How do I remediate CVE-2022-42096?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2022-42096, 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-2022-42096

Explore →

Is Your Infrastructure Affected by CVE-2022-42096?

EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.

Start Free Scan →Browse All CVEs

CVE-2022-42096

Published

Last Modified

References (8)

Patch Availability(1)

Affected Packages

Weakness Classification(1)

Data Freshness Timeline

Publicly available exploits

Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2022-42096?

Same product

Same CWE

CVE-2022-42096

📅 Published

🔄 Last Modified

🔗 References (8)

Patch Availability(1)

Affected Packages

Weakness Classification(1)

Data Freshness Timeline

Publicly available exploits

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2022-42096?

🔗 Related CVEs(same product + same CWE)

Same product

Same CWE

Published

Last Modified

References (8)

Frequently asked(5)

Related CVEs(same product + same CWE)