CVE-2024-45291

MEDIUMNVD 6.36.3—
EchelonGraph scoreMEDIUM confidence

This medium-severity CVE scores 6.3 under NVD CVSS v3. EPSS exploit probability: 0.9%, top 24% 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).

Triggered by: NVD CVSS baseline
Sources: epss, nvd
Elevated
6.3
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 1%CVSS: 6.3Exploit: NoneExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

PHPSpreadsheet is a pure PHP library for reading and writing spreadsheet files. It's possible for an attacker to construct an XLSX file that links images from arbitrary paths. When embedding images has been enabled in HTML writer with $writer->setEmbedImages(true); those files will be included in the output as data: URLs, regardless of the file's type. Also URLs can be used for embedding, resulting in a Server-Side Request Forgery vulnerability. When embedding images has been enabled, an attacker can read arbitrary files on the server and perform arbitrary HTTP GET requests. Note that any PHP protocol wrappers can be used, meaning that if for example the expect:// wrapper is enabled, also remote code execution is possible. This issue has been addressed in release versions 1.29.2, 2.1.1, and 2.3.0. All users are advised to upgrade. there are no known workarounds for this vulnerability.

CVSS v3
6.3
EG Score
6.3(medium)
EPSS
52.9%
KEV
Not listed

Published

October 7, 2024

Last Modified

October 16, 2024

References (1)

Affected Packages

(2 across 1 ecosystem)
Packagist(2)
PackageVulnerable rangeFixed inDependents
phpoffice/phpexcel1.7.9 ... 1.8.2 (9 versions)——
phpoffice/phpspreadsheet2.0.0, 2.1.02.1.1—

Weakness Classification(3)

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

Data Freshness Timeline

(refreshed 11× 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. 2026-07-22 14:07 UTCEPSS rescore
  2. 2026-07-21 15:23 UTCEPSS rescore
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  16. 2026-07-14 00:08 UTCOSV refresh
  17. 2026-07-13 22:29 UTCEPSS rescore
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  1. 2026-07-06 16:26 UTCEPSS rescore
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  15. 2026-06-25 21:46 UTCOSV refresh
  16. 2026-06-25 13:49 UTCEPSS rescore
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  23. 2026-06-21 14:55 UTCEPSS rescore
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  26. 2026-06-19 19:25 UTCEPSS rescore
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  40. 2026-06-11 13:59 UTCEPSS rescore
  41. 2026-06-10 22:18 UTCEPSS rescore
  42. 2026-06-10 13:21 UTCEPSS rescore
  43. 2026-06-08 14:16 UTCEPSS rescore
  44. 2026-06-08 14:16 UTCEPSS rescore
  45. 2026-06-08 11:00 UTCOSV refresh
  46. 2026-06-07 15:24 UTCEPSS rescore
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  48. 2026-06-05 22:46 UTCEPSS rescore
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  69. 2026-05-26 07:18 UTCEPSS rescore
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  71. 2026-05-26 07:18 UTCEPSS rescore
  72. 2026-05-23 21:02 UTCEG score recompute

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2024-45291?
CVE-2024-45291 is a medium vulnerability published on October 7, 2024. PHPSpreadsheet is a pure PHP library for reading and writing spreadsheet files. It's possible for an attacker to construct an XLSX file that links images from arbitrary paths. When embedding images has been enabled in HTML writer with $writer->setEmbedImages(true); those files will be included in…
When was CVE-2024-45291 disclosed?
CVE-2024-45291 was first published in the National Vulnerability Database on October 7, 2024, with the most recent update on October 16, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2024-45291 actively exploited?
CVE-2024-45291 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 52.9% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2024-45291?
CVE-2024-45291 has a CVSS v3 base score of 6.3 (NVD).
How do I remediate CVE-2024-45291?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2024-45291, 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.

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