CVE-2023-24540

CRITICALNVD 9.89.8—
EchelonGraph scoreMEDIUM confidence

Score 9.8 from GitHub Security Advisory (severity: CRITICAL) published 2023-05-11. NVD baseline CVSS 9.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
9.8
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 2%CVSS: 9.8Exploit: NoneExposed: 0

A fix is available — apply it.

Not all valid JavaScript whitespace characters are considered to be whitespace. Templates containing whitespace characters outside of the character set "\t\n\f\r\u0020\u2028\u2029" in JavaScript contexts that also contain actions may not be properly sanitized during execution.

CVSS v3
9.8
EG Score
9.8(medium)
EPSS
72.1%
KEV
Not listed

Published

May 11, 2023

Last Modified

January 24, 2025

Advisory Details (5)

Auto-updated Jun 15, 2026
No patch confirmed yet.
generic

NetApp Product Security

https://security.netapp.com/advisory/ntap-20241115-0008/
generic

GO-2023-1752 - Go Packages

https://pkg.go.dev/vuln/GO-2023-1752
generic

html/template: improper handling of JavaScript whitespace · Issue #59721 · golang/go · GitHub

https://go.dev/issue/59721
generic
https://go.dev/cl/491616
generic
https://groups.google.com/g/golang-announce/c/MEb0UyuSMsU

Vendor Advisories for CVE-2023-24540(20)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Patch Availability(30)

Vendor / EcosystemFixed in / PatchReleasedSource
redhatrhceph/snmp-notifier-rhel8:1.2.1-692024-06-26redhat
redhatamq7/amq-broker-rhel8-operator-bundle:7.12.0-102024-05-21redhat
redhatcontainer-tools:4.0-8090020230828093056.e7857ab12023-11-14redhat
redhatcontainer-tools:rhel8-8090020230825121312.e7857ab12023-11-14redhat
redhatbuildah-1:1.31.3-1.el92023-11-07redhat
redhatskopeo-2:1.13.3-1.el92023-11-07redhat
redhattoolbox-0:0.0.99.4-6.el9_32023-11-07redhat
redhatpodman-2:4.6.1-5.el92023-11-07redhat
redhatcontainernetworking-plugins-1:1.3.0-4.el92023-11-07redhat
redhatrun-once-duration-override-operator/run-once-duration-override-rhel8:v1.0-302023-10-26redhat
redhatodf4/mcg-rhel9-operator:v4.13.3-12023-09-27redhat
redhatcontainer-native-virtualization/vm-network-latency-checkup-rhel9:v4.13.3-52023-08-16redhat
redhatmta/mta-hub-rhel9:6.2.0-162023-08-14redhat
redhatjetstack-cert-manager-container-v1.10.2-182023-08-08redhat
redhatopenshift-clients-0:4.12.0-202307200611.p0.g49844f7.assembly.stream.el82023-08-03redhat
redhatkubevirt-0:4.12.5-1189.el82023-08-01redhat
redhatcontainer-native-virtualization/vm-network-latency-checkup:v4.12.5-62023-08-01redhat
redhatoadp/oadp-velero-rhel8:1.0.11-22023-07-27redhat
redhatopenshift-tech-preview/metallb-rhel8:v4.10.0-202306221842.p0.g57804c3.assembly.stream2023-07-06redhat
redhatopenshift-tech-preview/metallb-rhel8:v4.11.0-202306270118.p0.g2109a9c.assembly.stream2023-07-06redhat
redhatskopeo-2:1.5.2-4.rhaos4.11.el82023-07-06redhat
redhatskopeo-1:1.2.4-1.1.el82023-07-06redhat
redhatoadp/oadp-velero-rhel8:1.1.5-32023-06-29redhat
redhatnetwork-observability/network-observability-rhel9-operator:v1.3.0-532023-06-28redhat
redhatpodman-3:4.4.1-4.rhaos4.13.el82023-06-23redhat
redhatopenshift-service-mesh/proxyv2-rhel8:2.4.0-282023-06-15redhat
redhatrhmtc/openshift-velero-plugin-rhel8:v1.7.10-22023-06-15redhat
redhatpodman-3:4.2.0-4.1.rhaos4.12.el82023-06-14redhat
redhatopenshift4/ovirt-csi-driver-rhel8-operator:v4.12.0-202305262042.p0.gfeb14fb.assembly.stream2023-06-07redhat
redhatskopeo-2:1.9.4-2.1.rhaos4.12.el82023-06-07redhat

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)
Go(1)
PackageVulnerable rangeFixed inDependents
stdlib—1.20.4—

Weakness Classification(2)

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

Additional Vendor Advisories

(18)

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.

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.

  1. 2026-07-11 08:25 UTCEPSS rescore
  2. 2026-07-11 08:25 UTCEPSS rescore
  3. 2026-07-09 19:08 UTCEPSS rescore
  4. 2026-07-08 15:13 UTCEPSS rescore
  5. 2026-07-07 13:44 UTCEPSS rescore
  6. 2026-07-06 16:26 UTCEPSS rescore
  7. 2026-07-06 16:25 UTCEPSS rescore
  8. 2026-07-06 02:21 UTCEPSS rescore
  9. 2026-07-05 02:28 UTCEPSS rescore
  10. 2026-07-04 06:29 UTCEPSS rescore
  11. 2026-07-04 06:29 UTCEPSS rescore
  12. 2026-07-02 16:58 UTCEPSS rescore
  13. 2026-07-01 15:04 UTCEPSS rescore
  14. 2026-06-30 23:21 UTCEPSS rescore
  15. 2026-06-28 14:06 UTCEPSS rescore
  16. 2026-06-28 14:06 UTCEPSS rescore
  17. 2026-06-28 04:54 UTCEPSS rescore
  18. 2026-06-28 04:54 UTCEPSS rescore
  19. 2026-06-27 21:04 UTCOSV refresh
  20. 2026-06-27 03:07 UTCEPSS rescore
  21. 2026-06-25 13:48 UTCEPSS rescore
  22. 2026-06-25 13:48 UTCEPSS rescore
  23. 2026-06-24 14:03 UTCEPSS rescore
  24. 2026-06-24 14:03 UTCEPSS rescore
  25. 2026-06-23 21:31 UTCEPSS rescore
Show 62 more
  1. 2026-06-23 21:31 UTCEPSS rescore
  2. 2026-06-22 14:24 UTCEPSS rescore
  3. 2026-06-22 14:24 UTCEPSS rescore
  4. 2026-06-21 14:55 UTCEPSS rescore
  5. 2026-06-21 14:55 UTCEPSS rescore
  6. 2026-06-21 01:58 UTCEPSS rescore
  7. 2026-06-21 01:58 UTCEPSS rescore
  8. 2026-06-19 19:24 UTCEPSS rescore
  9. 2026-06-19 19:24 UTCEPSS rescore
  10. 2026-06-18 17:51 UTCEPSS rescore
  11. 2026-06-18 17:51 UTCEPSS rescore
  12. 2026-06-17 17:51 UTCEPSS rescore
  13. 2026-06-17 17:51 UTCEPSS rescore
  14. 2026-06-16 17:51 UTCEPSS rescore
  15. 2026-06-16 17:51 UTCEPSS rescore
  16. 2026-06-16 17:51 UTCEPSS rescore
  17. 2026-06-15 17:47 UTCEPSS rescore
  18. 2026-06-14 23:16 UTCEPSS rescore
  19. 2026-06-13 22:59 UTCEPSS rescore
  20. 2026-06-12 23:10 UTCEPSS rescore
  21. 2026-06-11 13:59 UTCEPSS rescore
  22. 2026-06-11 13:58 UTCEPSS rescore
  23. 2026-06-10 22:17 UTCEPSS rescore
  24. 2026-06-10 13:21 UTCEPSS rescore
  25. 2026-06-10 13:21 UTCEPSS rescore
  26. 2026-06-10 08:17 UTCOSV refresh
  27. 2026-06-08 14:15 UTCEPSS rescore
  28. 2026-06-08 14:15 UTCEPSS rescore
  29. 2026-06-07 15:23 UTCEPSS rescore
  30. 2026-06-07 15:23 UTCEPSS rescore
  31. 2026-06-06 13:46 UTCEPSS rescore
  32. 2026-06-06 13:46 UTCEPSS rescore
  33. 2026-06-05 22:46 UTCEPSS rescore
  34. 2026-06-05 22:46 UTCEPSS rescore
  35. 2026-06-05 22:46 UTCEPSS rescore
  36. 2026-06-05 06:09 UTCEPSS rescore
  37. 2026-06-05 06:09 UTCEPSS rescore
  38. 2026-06-04 13:11 UTCEPSS rescore
  39. 2026-06-04 13:11 UTCEPSS rescore
  40. 2026-06-02 20:12 UTCEPSS rescore
  41. 2026-06-02 20:12 UTCEPSS rescore
  42. 2026-06-02 20:12 UTCEPSS rescore
  43. 2026-06-01 13:51 UTCEPSS rescore
  44. 2026-06-01 13:50 UTCEPSS rescore
  45. 2026-05-31 22:29 UTCEPSS rescore
  46. 2026-05-31 22:29 UTCEPSS rescore
  47. 2026-05-31 22:29 UTCEPSS rescore
  48. 2026-05-31 00:15 UTCEPSS rescore
  49. 2026-05-31 00:15 UTCEPSS rescore
  50. 2026-05-29 13:43 UTCEPSS rescore
  51. 2026-05-29 13:43 UTCEPSS rescore
  52. 2026-05-28 13:43 UTCEPSS rescore
  53. 2026-05-28 13:43 UTCEPSS rescore
  54. 2026-05-27 13:39 UTCEPSS rescore
  55. 2026-05-26 13:43 UTCEPSS rescore
  56. 2026-05-26 13:43 UTCEPSS rescore
  57. 2026-05-26 07:18 UTCEPSS rescore
  58. 2026-05-26 07:17 UTCEPSS rescore
  59. 2026-05-26 07:17 UTCEPSS rescore
  60. 2026-05-25 01:17 UTCEG score recompute
  61. 2026-05-25 01:17 UTCVendor advisory
  62. 2026-05-25 01:17 UTCGHSA enrichment

Related CVEs(same vendor + same CWE)

Frequently asked(5)

What is CVE-2023-24540?
CVE-2023-24540 is a critical vulnerability published on May 11, 2023. Not all valid JavaScript whitespace characters are considered to be whitespace. Templates containing whitespace characters outside of the character set "\t\n\f\r\u0020\u2028\u2029" in JavaScript contexts that also contain actions may not be properly sanitized during execution.
When was CVE-2023-24540 disclosed?
CVE-2023-24540 was first published in the National Vulnerability Database on May 11, 2023, with the most recent update on January 24, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2023-24540 actively exploited?
CVE-2023-24540 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 72.1% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2023-24540?
CVE-2023-24540 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2023-24540?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-24540, 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-2023-24540

Explore →

Is Your Infrastructure Affected by CVE-2023-24540?

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

Start Free Scan →Browse All CVEs