Winter is a free, open-source content management system. Prior to 1.2.4, Users with access to backend forms that include a ColorPicker FormWidget can provide a value that would then be rendered unescaped in the backend form, potentially allowing for a stored XSS attack. This issue has been patched in v1.2.4.
CVE-2023-52084
This low-severity CVE scores 2.0 under NVD CVSS v3. EPSS exploit probability: 0.3%, top 45% 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
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 5.4
- EG Score
- 2.0(medium)
- EPSS
- 22.7%
- KEV
- Not listed
Published
December 28, 2023
Last Modified
June 17, 2026
References (4)
- security-advisories@githubhttps://github.com/wintercms/winter/commit/517f65dfae679b57575b047de13c5af48915a5ba
- security-advisories@githubhttps://github.com/wintercms/winter/security/advisories/GHSA-43w4-4j3c-jx29
- af854a3a-2127-422b-91ae-364da2661108https://github.com/wintercms/winter/commit/517f65dfae679b57575b047de13c5af48915a5ba
- af854a3a-2127-422b-91ae-364da2661108https://github.com/wintercms/winter/security/advisories/GHSA-43w4-4j3c-jx29
Affected Packages
(1 across 1 ecosystem)
Packagist(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| winter/wn-backend-module | v1.0.473 ... v1.2.3 (15 versions) | 1.2.4 | — |
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 9× in last 7d / 45× 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.
- 2026-07-12 05:45 UTCEPSS rescore
- 2026-07-11 08:26 UTCEPSS rescore
- 2026-07-09 19:08 UTCEPSS rescore
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- 2026-06-27 00:39 UTCOSV refresh
- 2026-06-25 13:48 UTCEPSS rescore
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- 2026-06-24 14:04 UTCEPSS rescore
- 2026-06-24 14:04 UTCEPSS rescore
- 2026-06-24 06:36 UTCNVD updateCVSS v3 → 5.4 · severity → MEDIUM
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- 2026-06-23 21:31 UTCEPSS rescore
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- 2026-06-11 13:59 UTCEPSS rescore
- 2026-06-10 22:17 UTCEPSS rescore
- 2026-06-10 13:21 UTCEPSS rescore
- 2026-06-09 11:14 UTCOSV refresh
- 2026-06-08 14:16 UTCEPSS rescore
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- 2026-05-31 22:30 UTCEPSS rescore
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- 2026-05-29 13:43 UTCEPSS rescore
- 2026-05-28 13:44 UTCEPSS rescore
- 2026-05-27 13:39 UTCEPSS rescore
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- 2026-05-26 13:43 UTCEPSS rescore
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- 2026-05-26 07:18 UTCEPSS rescore
- 2026-05-26 07:18 UTCEPSS rescore
- 2026-05-26 07:18 UTCEPSS rescore
- 2026-05-24 11:22 UTCEG score recompute
Related CVEs(same CWE)
Frequently asked(5)
What is CVE-2023-52084?
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Dependency Blast Radius
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