CVE-2018-10547

MEDIUMNVD 6.16.1—
EchelonGraph scoreMEDIUM confidence

Score 6.1 from GitHub Security Advisory published 2022-05-14. NVD baseline CVSS 6.1; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
6.1EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 4%CVSS: 6.1Exploit: None knownExposed: 0

A fix is available — apply it.

An issue was discovered in ext/phar/phar_object.c in PHP before 5.6.36, 7.0.x before 7.0.30, 7.1.x before 7.1.17, and 7.2.x before 7.2.5. There is Reflected XSS on the PHAR 403 and 404 error pages via request data of a request for a .phar file. NOTE: this vulnerability exists because of an incomplete fix for CVE-2018-5712.

CVSS v3
6.1
EG Score
6.1(medium)
EG Risk
33(Track)
EG Risk 33/100SSVC: Track

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 computed
Severity61% × 45%
Exploitation4% × 40%
Automatability30% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
4%
EPSS %ILE
88%
KEV
Not listed

Published

April 29, 2018

Last Modified

November 21, 2024

References (24)

Patch Availability(4)

Vendor / EcosystemFixed in / PatchReleasedSource
ubuntuphp7.0-zip (7.0.30-0ubuntu0.16.04.1) @ xenial2026-05-28ubuntu
ubuntuphp5-fpm (5.3.10-1ubuntu3.31) @ precise2026-05-28ubuntu
redhatphp-0:5.4.16-48.el72020-03-31redhat
redhatrh-php71-php-0:7.1.30-1.el72019-08-19redhat

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

(5 across 5 ecosystems)
Alpine:v3.4(1)
PackageVulnerable rangeFixed inDependents
php55.2.10-r0 ... 5.6.9-r1 (166 versions)5.6.36-r0—
Alpine:v3.5(1)
PackageVulnerable rangeFixed inDependents
php55.2.10-r0 ... 5.6.9-r1 (171 versions)5.6.36-r0—
Debian:7(1)
PackageVulnerable rangeFixed inDependents
php55.4.11-1 ... 5.4.9-4 (48 versions)5.4.45-0+deb7u14—
Debian:8(1)
PackageVulnerable rangeFixed inDependents
php55.6.11+dfsg-1 ... 5.6.9+dfsg-1 (41 versions)5.6.36+dfsg-0+deb8u1—
Debian:9(1)
PackageVulnerable rangeFixed inDependents
php7.07.0.19-1 ... 7.0.29-1 (12 versions)7.0.30-0+deb9u1—

Weakness Classification(1)

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

All Vendor Advisories

(4)

Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.

Data Freshness Timeline

(refreshed 6× in last 7d / 22× 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 134 total refreshes for this CVE.

  1. 2026-09-07 15:56 UTCEPSS rescore
  2. 2026-09-05 15:24 UTCEPSS rescore
  3. 2026-09-04 13:56 UTCEPSS rescore
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  13. 2026-08-23 00:14 UTCEPSS rescore
  14. 2026-08-22 18:37 UTCOSV refresh
  15. 2026-08-21 23:44 UTCEPSS rescore
  16. 2026-08-19 16:59 UTCEPSS rescore
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  23. 2026-08-08 16:32 UTCEPSS rescore
  24. 2026-08-07 16:22 UTCEPSS rescore
  25. 2026-08-06 22:33 UTCOSV refresh
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  1. 2026-08-06 13:42 UTCEPSS rescore
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  7. 2026-07-30 16:24 UTCEPSS rescore
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  9. 2026-07-28 15:32 UTCEPSS rescore
  10. 2026-07-26 14:51 UTCEPSS rescore
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  12. 2026-07-23 14:15 UTCEPSS rescore
  13. 2026-07-23 01:32 UTCEG score recompute
  14. 2026-07-22 22:12 UTCEG score recompute
  15. 2026-07-22 14:04 UTCEPSS rescore
  16. 2026-07-21 15:21 UTCEPSS rescore
  17. 2026-07-21 13:48 UTCOSV refresh
  18. 2026-07-20 17:04 UTCEPSS rescore
  19. 2026-07-20 17:04 UTCEPSS rescore
  20. 2026-07-19 14:28 UTCEPSS rescore
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  22. 2026-07-19 02:26 UTCEPSS rescore
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  24. 2026-07-18 10:01 UTCEPSS rescore
  25. 2026-07-16 16:59 UTCEPSS rescore
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  27. 2026-07-15 16:55 UTCEPSS rescore
  28. 2026-07-15 16:54 UTCEPSS rescore
  29. 2026-07-15 01:56 UTCEPSS rescore
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  31. 2026-07-13 22:26 UTCEPSS rescore
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  33. 2026-07-12 05:43 UTCEPSS rescore
  34. 2026-07-11 08:24 UTCEPSS rescore
  35. 2026-07-09 19:06 UTCEPSS rescore
  36. 2026-07-08 15:11 UTCEPSS rescore
  37. 2026-07-07 13:42 UTCEPSS rescore
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  40. 2026-07-06 02:20 UTCEPSS rescore
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  42. 2026-07-05 02:27 UTCEPSS rescore
  43. 2026-07-04 09:26 UTCOSV refresh
  44. 2026-07-04 06:28 UTCEPSS rescore
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  46. 2026-07-02 16:54 UTCEPSS rescore
  47. 2026-07-01 15:03 UTCEPSS rescore
  48. 2026-06-30 23:19 UTCEPSS rescore
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  50. 2026-06-29 14:03 UTCEPSS rescore
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  55. 2026-06-25 13:47 UTCEPSS rescore
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  66. 2026-06-18 17:50 UTCEPSS rescore
  67. 2026-06-17 17:50 UTCEPSS rescore
  68. 2026-06-16 17:50 UTCEPSS rescore
  69. 2026-06-15 20:43 UTCOSV refresh
  70. 2026-06-15 17:45 UTCEPSS rescore
  71. 2026-06-14 23:14 UTCEPSS rescore
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  73. 2026-06-13 22:58 UTCEPSS rescore
  74. 2026-06-13 22:57 UTCEPSS rescore
  75. 2026-06-12 23:09 UTCEPSS rescore

Frequently asked(5)

What is CVE-2018-10547?
CVE-2018-10547 is a medium vulnerability published on April 29, 2018. An issue was discovered in ext/phar/phar_object.c in PHP before 5.6.36, 7.0.x before 7.0.30, 7.1.x before 7.1.17, and 7.2.x before 7.2.5. There is Reflected XSS on the PHAR 403 and 404 error pages via request data of a request for a .phar file. NOTE: this vulnerability exists because of an…
When was CVE-2018-10547 disclosed?
CVE-2018-10547 was first published in the National Vulnerability Database on April 29, 2018, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2018-10547 actively exploited?
CVE-2018-10547 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 4% probability of exploitation in the next 30 days, which ranks it in the top 11.6% of all scored CVEs.
What is the CVSS score of CVE-2018-10547?
CVE-2018-10547 has a CVSS v3 base score of 6.1 (NVD).
How do I remediate CVE-2018-10547?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2018-10547, 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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