CVE-2026-13726

HIGHPre-NVD 7.17.1—
EchelonGraph scoreMEDIUM confidence

Score 7.1 from GitHub Security Advisory (severity: HIGH) published 2026-07-27. CISA-ADP (Vulnrichment) CVSS v3.1 baseline 7.1; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cisa-adp, epss, ghsa
Trending — 3 sources updated this week
7.1EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 7.1Exploit: None knownExposed: 0

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

The MPG WordPress plugin before 4.1.8 does not sanitise and escape a parameter before reflecting it back in the response, allowing unauthenticated attackers to perform Reflected Cross-Site Scripting against a victim who is induced to send a crafted request.

CVSS v3
7.1
EG Score
7.1(medium)
EG Risk
32(Track)
EG Risk 32/100SSVC: 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
Severity71% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
6%
KEV
Not listed

Published

July 27, 2026

Last Modified

July 27, 2026

Advisory Details (1)

Auto-updated Jul 27, 2026
🔬 Proof of concept available. No patch confirmed yet.
generic🟡 PoC Available

Multiple Page Generator Plugin – MPG < 4.1.8 – Reflected XSS via mpg_shortcode | CVE 2026-13726 | Plugin Vulnerabilities

https://wpscan.com/vulnerability/4f97b6c6-c05b-4ea5-987d-d289b89cdea8/

Vendor Advisories for CVE-2026-13726(1)

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

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 20× in last 7d / 88× 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 172 total refreshes for this CVE.

  1. 2026-09-15 09:16 UTCEG score recompute
  2. 2026-09-15 09:16 UTCGHSA enrichment
  3. 2026-09-14 06:04 UTCGHSA enrichment
  4. 2026-09-13 17:47 UTCEG score recompute
  5. 2026-09-13 17:47 UTCGHSA enrichment
  6. 2026-09-13 16:46 UTCEPSS rescore
  7. 2026-09-13 05:29 UTCGHSA enrichment
  8. 2026-09-12 17:12 UTCEG score recompute
  9. 2026-09-12 17:12 UTCGHSA enrichment
  10. 2026-09-12 15:00 UTCEPSS rescore
  11. 2026-09-12 04:55 UTCGHSA enrichment
  12. 2026-09-11 15:54 UTCEG score recompute
  13. 2026-09-11 15:54 UTCGHSA enrichment
  14. 2026-09-11 09:36 UTCEPSS rescore
  15. 2026-09-10 22:38 UTCGHSA enrichment
  16. 2026-09-10 10:21 UTCEG score recompute
  17. 2026-09-10 10:20 UTCGHSA enrichment
  18. 2026-09-10 09:34 UTCEPSS rescore
  19. 2026-09-09 08:27 UTCEG score recompute
  20. 2026-09-09 08:26 UTCGHSA enrichment
  21. 2026-09-08 22:00 UTCEPSS rescore
  22. 2026-09-07 21:06 UTCEG score recompute
  23. 2026-09-07 21:06 UTCGHSA enrichment
  24. 2026-09-07 16:01 UTCEPSS rescore
  25. 2026-09-06 23:48 UTCEG score recompute
Show 75 more
  1. 2026-09-06 23:47 UTCGHSA enrichment
  2. 2026-09-06 13:47 UTCEPSS rescore
  3. 2026-09-06 07:51 UTCGHSA enrichment
  4. 2026-09-05 19:17 UTCEG score recompute
  5. 2026-09-05 19:17 UTCGHSA enrichment
  6. 2026-09-05 05:51 UTCEG score recompute
  7. 2026-09-05 05:51 UTCGHSA enrichment
  8. 2026-09-04 12:36 UTCEG score recompute
  9. 2026-09-04 12:36 UTCGHSA enrichment
  10. 2026-09-04 05:06 UTCEPSS rescore
  11. 2026-09-02 14:11 UTCEPSS rescore
  12. 2026-09-01 23:04 UTCEG score recompute
  13. 2026-09-01 23:04 UTCGHSA enrichment
  14. 2026-09-01 13:53 UTCEPSS rescore
  15. 2026-09-01 04:39 UTCEPSS rescore
  16. 2026-08-31 00:32 UTCEG score recompute
  17. 2026-08-31 00:32 UTCGHSA enrichment
  18. 2026-08-30 19:17 UTCEPSS rescore
  19. 2026-08-30 12:15 UTCEG score recompute
  20. 2026-08-30 12:15 UTCGHSA enrichment
  21. 2026-08-30 01:21 UTCEPSS rescore
  22. 2026-08-29 23:57 UTCEG score recompute
  23. 2026-08-29 23:57 UTCGHSA enrichment
  24. 2026-08-28 21:40 UTCEPSS rescore
  25. 2026-08-28 03:28 UTCGHSA enrichment
  26. 2026-08-27 15:01 UTCEG score recompute
  27. 2026-08-27 15:01 UTCGHSA enrichment
  28. 2026-08-27 14:24 UTCEPSS rescore
  29. 2026-08-27 02:43 UTCEG score recompute
  30. 2026-08-27 02:43 UTCGHSA enrichment
  31. 2026-08-26 14:26 UTCEG score recompute
  32. 2026-08-26 14:26 UTCGHSA enrichment
  33. 2026-08-26 02:09 UTCGHSA enrichment
  34. 2026-08-25 13:51 UTCEG score recompute
  35. 2026-08-25 13:51 UTCGHSA enrichment
  36. 2026-08-25 13:48 UTCEPSS rescore
  37. 2026-08-25 01:33 UTCEG score recompute
  38. 2026-08-25 01:33 UTCGHSA enrichment
  39. 2026-08-24 13:16 UTCEG score recompute
  40. 2026-08-24 13:16 UTCGHSA enrichment
  41. 2026-08-24 00:59 UTCGHSA enrichment
  42. 2026-08-23 12:39 UTCGHSA enrichment
  43. 2026-08-23 00:22 UTCGHSA enrichment
  44. 2026-08-22 12:04 UTCEG score recompute
  45. 2026-08-22 12:04 UTCGHSA enrichment
  46. 2026-08-21 23:48 UTCEPSS rescore
  47. 2026-08-21 23:47 UTCGHSA enrichment
  48. 2026-08-21 11:29 UTCGHSA enrichment
  49. 2026-08-20 23:07 UTCEG score recompute
  50. 2026-08-20 23:07 UTCGHSA enrichment
  51. 2026-08-20 22:55 UTCEPSS rescore
  52. 2026-08-20 10:50 UTCGHSA enrichment
  53. 2026-08-19 22:31 UTCEG score recompute
  54. 2026-08-19 22:31 UTCGHSA enrichment
  55. 2026-08-19 17:03 UTCEPSS rescore
  56. 2026-08-19 10:13 UTCGHSA enrichment
  57. 2026-08-18 21:52 UTCEG score recompute
  58. 2026-08-18 21:52 UTCGHSA enrichment
  59. 2026-08-18 13:48 UTCEPSS rescore
  60. 2026-08-18 09:35 UTCGHSA enrichment
  61. 2026-08-17 21:18 UTCEG score recompute
  62. 2026-08-17 21:18 UTCGHSA enrichment
  63. 2026-08-17 08:59 UTCGHSA enrichment
  64. 2026-08-16 20:42 UTCEG score recompute
  65. 2026-08-16 20:42 UTCGHSA enrichment
  66. 2026-08-16 14:56 UTCEPSS rescore
  67. 2026-08-16 08:25 UTCEG score recompute
  68. 2026-08-16 08:25 UTCGHSA enrichment
  69. 2026-08-16 02:14 UTCEPSS rescore
  70. 2026-08-15 20:08 UTCGHSA enrichment
  71. 2026-08-15 07:51 UTCEG score recompute
  72. 2026-08-15 07:51 UTCGHSA enrichment
  73. 2026-08-15 01:30 UTCEPSS rescore
  74. 2026-08-14 19:33 UTCGHSA enrichment
  75. 2026-08-14 07:16 UTCEG score recompute

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-13726?
CVE-2026-13726 is a high vulnerability published on July 27, 2026. The MPG WordPress plugin before 4.1.8 does not sanitise and escape a parameter before reflecting it back in the response, allowing unauthenticated attackers to perform Reflected Cross-Site Scripting against a victim who is induced to send a crafted request.
When was CVE-2026-13726 disclosed?
CVE-2026-13726 was first published in the National Vulnerability Database on July 27, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-13726 actively exploited?
CVE-2026-13726 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0% probability of exploitation in the next 30 days, which ranks it in the top 94.1% of all scored CVEs.
What is the CVSS score of CVE-2026-13726?
CVE-2026-13726 has a CVSS v3.1 base score of 7.1 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
How do I remediate CVE-2026-13726?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-13726, 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

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