The html/template package does not apply the proper rules for handling occurrences of " contexts. This may cause the template parser to improperly consider script contexts to be terminated early, causing actions to be improperly escaped. This could be leveraged to perform an XSS attack.
CVE-2023-39319
Score 6.1 from GitHub Security Advisory published 2023-09-08. NVD baseline CVSS 6.1; sources differ by 0.0.
- Lower severity and no public exploit yet
A fix is available — apply it.
- CVSS v3
- 6.1
- EG Score
- 6.1MEDIUMmedium confidence
- EG Risk
- 28EG Risk 28/100CISA SSVC
EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).
How it’s computedSeverity61% × 45%Exploitation1% × 40%Automatability0% × 15%CISA SSVC: Track at every mission impact level.Action: A fix is available. Apply it within your standard update timelines. - EPSS PROB
- 0.9%
- EPSS %ILE
- 58th
- KEV
- Not listed
CISA SSVCTrack at every mission impact level.
A fix is available. Apply it within your standard update timelines.
Exploitation none (CISA Vulnrichment) · Automatable no (CISA Vulnrichment) · Technical impact partial (CISA Vulnrichment). Mission impact is CISA's Mission & Well-being decision point, and only you can judge it: high means the affected system is essential to your organisation's mission, or its compromise could cause irreversible harm to people. CISA's decision table
Published
September 8, 2023
Last Modified
November 21, 2024
References (12)
- security@golanghttps://go.dev/cl/526157
- security@golanghttps://go.dev/issue/62197
- security@golanghttps://groups.google.com/g/golang-dev/c/2C5vbR-UNkI/m/L1hdrPhfBAAJ
- security@golanghttps://pkg.go.dev/vuln/GO-2023-2043
- security@golanghttps://security.gentoo.org/glsa/202311-09
- security@golanghttps://security.netapp.com/advisory/ntap-20231020-0009/
- af854a3a-2127-422b-91ae-364da2661108https://go.dev/cl/526157
- af854a3a-2127-422b-91ae-364da2661108https://go.dev/issue/62197
- af854a3a-2127-422b-91ae-364da2661108https://groups.google.com/g/golang-dev/c/2C5vbR-UNkI/m/L1hdrPhfBAAJ
- af854a3a-2127-422b-91ae-364da2661108https://pkg.go.dev/vuln/GO-2023-2043
- af854a3a-2127-422b-91ae-364da2661108https://security.gentoo.org/glsa/202311-09
- af854a3a-2127-422b-91ae-364da2661108https://security.netapp.com/advisory/ntap-20231020-0009/
Vendor Advisories for CVE-2023-39319(20)
These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.
- CVE-2023-39319Microsoft Security Response Center (MSRC)Medium
Improper handling of special tags within script contexts in html/template
- RHSA-2024:3467Red Hat Product SecurityHigh
Red Hat Security Advisory: Red Hat OpenStack Platform 16.1 (etcd) security update
- RHSA-2024:3352Red Hat Product SecurityHigh
Red Hat Security Advisory: Red Hat OpenStack Platform 16.2 (etcd) security update
- RHSA-2024:2988Red Hat Product SecurityMedium
Red Hat Security Advisory: container-tools:rhel8 security update
- RHSA-2024:2160Red Hat Product SecurityMedium
Red Hat Security Advisory: toolbox security update
- RHSA-2024:1901Red Hat Product SecurityMedium
Red Hat Security Advisory: Red Hat Service Interconnect 1.5.3 Release (images)
- RHSA-2024:1383Red Hat Product SecurityHigh
Red Hat Security Advisory: Red Hat OpenShift Data Foundation 4.15.0 security, enhancement, & bug fix update
- RHSA-2024:0121Red Hat Product SecurityMedium
Red Hat Security Advisory: container-tools:4.0 security update
- +12 more
Patch Availability(24)
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
(3 across 3 ecosystems)
Debian:11(1)
| Package | Vulnerable range | Fix by version range | Dependents |
|---|---|---|---|
| golang-1.15 | 1.15.15-1 ... 1.15.9-6 (10 versions) |
| — |
Debian:12(1)
| Package | Vulnerable range | Fix by version range | Dependents |
|---|---|---|---|
| golang-1.19 | 1.19.10-1 ... 1.19.9-1 (12 versions) |
| — |
Go(1)
| Package | Vulnerable range | Fix by version range | Dependents |
|---|---|---|---|
| stdlib | — |
| — |
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Additional Vendor Advisories
(7)
Vendors that published advisories for this CVE beyond the curated set above. Broader coverage but minimal per-row detail — click through for the original advisory.
- Red HatRHBA-2023:6928MODERATE2023-09-06
RHBA-2023:6928 — Moderate
- Red HatRHSA-2023:5947MODERATE2023-09-06
RHSA-2023:5947 — Moderate
- Red HatRHSA-2023:5974MODERATE2023-09-06
RHSA-2023:5974 — Moderate
- Red HatRHSA-2023:6115MODERATE2023-09-06
RHSA-2023:6115 — Moderate
- Red HatRHSA-2023:6161MODERATE2023-09-06
RHSA-2023:6161 — Moderate
- UbuntuUSN-6574-1MEDIUM
Go vulnerabilities
- UbuntuUSN-7061-1MEDIUM
Go vulnerabilities
Data Freshness Timeline
(refreshed 8× in last 7d / 33× 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.
Showing the most recent 100 of 198 total refreshes for this CVE.
- 2026-10-09 20:05 UTCEPSS rescore
- 2026-10-08 17:06 UTCEPSS rescore
- 2026-10-07 23:46 UTCEPSS rescore
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- 2026-09-30 16:28 UTCEG score recompute
- 2026-09-30 15:01 UTCEPSS rescore
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- 2026-09-28 13:49 UTCEPSS rescore
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- 2026-09-27 13:42 UTCEPSS rescore
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- 2026-09-24 14:01 UTCEPSS rescore
- 2026-09-23 13:46 UTCEPSS rescore
- 2026-09-23 00:02 UTCOSV refresh
- 2026-09-20 20:14 UTCEPSS rescore
- 2026-09-20 20:14 UTCEPSS rescore
- 2026-09-18 19:25 UTCEPSS rescore
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- 2026-09-17 19:25 UTCEPSS rescore
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- 2026-09-08 21:58 UTCEPSS rescore
- 2026-09-07 15:59 UTCEPSS rescore
- 2026-09-06 13:45 UTCEPSS rescore
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- 2026-09-05 15:26 UTCEPSS rescore
- 2026-09-04 13:58 UTCEPSS rescore
- 2026-09-04 05:04 UTCEPSS rescore
- 2026-09-03 18:46 UTCOSV refresh
- 2026-09-02 14:09 UTCEPSS rescore
- 2026-09-01 13:51 UTCEPSS rescore
- 2026-08-30 19:15 UTCEPSS rescore
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- 2026-08-25 13:46 UTCEPSS rescore
- 2026-08-23 00:17 UTCEPSS rescore
- 2026-08-21 23:47 UTCEPSS rescore
- 2026-08-20 22:53 UTCEPSS rescore
- 2026-08-19 17:02 UTCEPSS rescore
- 2026-08-19 17:02 UTCEPSS rescore
- 2026-08-18 13:46 UTCEPSS rescore
- 2026-08-17 13:45 UTCEPSS rescore
- 2026-08-17 08:01 UTCOSV refresh
- 2026-08-16 14:54 UTCEPSS rescore
- 2026-08-16 02:12 UTCEPSS rescore
- 2026-08-15 01:28 UTCEPSS rescore
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- 2026-08-13 21:58 UTCEPSS rescore
- 2026-08-12 13:48 UTCEPSS rescore
- 2026-08-11 13:39 UTCEPSS rescore
- 2026-08-09 13:44 UTCEPSS rescore
- 2026-08-09 13:44 UTCEPSS rescore
- 2026-08-08 16:35 UTCEPSS rescore
- 2026-08-07 16:25 UTCEPSS rescore
- 2026-08-06 13:45 UTCEPSS rescore
- 2026-08-05 19:15 UTCEPSS rescore
- 2026-08-04 15:07 UTCEPSS rescore
- 2026-08-03 10:34 UTCEPSS rescore
- 2026-08-03 10:34 UTCEPSS rescore
- 2026-08-02 02:30 UTCOSV refresh
- 2026-08-02 02:25 UTCEPSS rescore
- 2026-08-02 02:25 UTCEPSS rescore
- 2026-08-01 04:14 UTCEPSS rescore
- 2026-08-01 04:13 UTCEPSS rescore
- 2026-07-30 16:26 UTCEPSS rescore
- 2026-07-30 16:26 UTCEPSS rescore
- 2026-07-30 01:28 UTCEPSS rescore
- 2026-07-30 01:28 UTCEPSS rescore
- 2026-07-28 15:34 UTCEPSS rescore
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- 2026-07-23 14:16 UTCEPSS rescore
- 2026-07-23 14:16 UTCEPSS rescore
- 2026-07-23 02:25 UTCEG score recompute
- 2026-07-22 23:12 UTCEG score recompute
- 2026-07-22 14:06 UTCEPSS rescore
- 2026-07-21 15:23 UTCEPSS rescore
- 2026-07-21 15:23 UTCEPSS rescore
- 2026-07-20 17:06 UTCEPSS rescore
- 2026-07-19 14:29 UTCEPSS rescore
- 2026-07-19 02:27 UTCEPSS rescore
- 2026-07-18 10:03 UTCEPSS rescore
Related CVEs(same product + same vendor + same CWE)
Same product
10 shownDebian:12:golang-1.19
Same vendor
10 shownredhat:RHBA-2023:6364 · redhat:RHSA-2023:5009 · redhat:RHSA-2023:5947
- CVE-2023-39318EG 6.1MEDIUM
- CVE-2023-39322EG 7.5HIGH
- CVE-2023-39321EG 7.5HIGH
- CVE-2023-29409EG 5.3MEDIUM
- CVE-2023-39325EG 7.5EPSS p90HIGH
- CVE-2023-44487NVD 7.5EG 9.0 KEVEPSS p100CRITICAL
- CVE-2023-29406EG 6.5MEDIUM
- CVE-2023-39326EG 5.3MEDIUM
- CVE-2023-39323NVD 8.1EG 9.8CRITICAL
- CVE-2023-45288NVD 7.5EG 9.0EPSS p100CRITICAL
Frequently asked(5)
What is CVE-2023-39319?
When was CVE-2023-39319 disclosed?
Is CVE-2023-39319 actively exploited?
What is the CVSS score of CVE-2023-39319?
How do I remediate CVE-2023-39319?
Dependency Blast Radius
See which npm, PyPI, Go, and Maven packages are affected by CVE-2023-39319
Is Your Infrastructure Affected by CVE-2023-39319?
EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.