CVE-2026-81288

HIGHPre-NVD 7.17.1—
EchelonGraph scoreHIGH confidence

Score 7.1 from GitHub Security Advisory (severity: HIGH) published 2026-09-02. a secondary CVSS source baseline 7.1; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
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.

Unauthenticated Cross Site Scripting (XSS) in Upsell Order Bump Offer for WooCommerce <= 3.1.5 versions.

CVSS v3
7.1
EG Score
7.1(high)
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
15%
KEV
Not listed

Published

September 2, 2026

Last Modified

September 2, 2026

Advisory Details (1)

Auto-updated Sep 2, 2026
No patch confirmed yet.
generic

Cross Site Scripting (XSS) in WordPress Upsell Order Bump Offer for WooCommerce Plugin - Patchstack

https://patchstack.com/database/wordpress/plugin/upsell-order-bump-offer-for-woocommerce/vulnerability/wordpress-upsell-order-bump-offer-for-woocommerce-plugin-3-1-5-cross-site-scripting-xss-vulnerability?_s_id=cve

Vendor Advisories for CVE-2026-81288(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 26× in last 7d / 86× 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. 2026-09-25 04:54 UTCGHSA enrichment
  2. 2026-09-24 15:56 UTCEG score recompute
  3. 2026-09-24 15:56 UTCGHSA enrichment
  4. 2026-09-24 14:04 UTCEPSS rescore
  5. 2026-09-24 02:58 UTCEG score recompute
  6. 2026-09-24 02:58 UTCGHSA enrichment
  7. 2026-09-23 17:54 UTCEPSS rescore
  8. 2026-09-23 14:00 UTCGHSA enrichment
  9. 2026-09-23 01:02 UTCEG score recompute
  10. 2026-09-23 01:02 UTCGHSA enrichment
  11. 2026-09-22 16:01 UTCEPSS rescore
  12. 2026-09-22 12:03 UTCGHSA enrichment
  13. 2026-09-21 23:04 UTCEG score recompute
  14. 2026-09-21 23:04 UTCGHSA enrichment
  15. 2026-09-21 21:09 UTCEPSS rescore
  16. 2026-09-21 10:06 UTCGHSA enrichment
  17. 2026-09-20 21:08 UTCEG score recompute
  18. 2026-09-20 21:08 UTCGHSA enrichment
  19. 2026-09-20 20:16 UTCEPSS rescore
  20. 2026-09-20 08:10 UTCGHSA enrichment
  21. 2026-09-19 18:47 UTCEG score recompute
  22. 2026-09-19 18:47 UTCGHSA enrichment
  23. 2026-09-19 05:49 UTCEG score recompute
  24. 2026-09-19 05:49 UTCGHSA enrichment
  25. 2026-09-18 19:28 UTCEPSS rescore
Show 61 more
  1. 2026-09-18 16:50 UTCGHSA enrichment
  2. 2026-09-18 03:51 UTCEG score recompute
  3. 2026-09-18 03:51 UTCGHSA enrichment
  4. 2026-09-17 14:53 UTCGHSA enrichment
  5. 2026-09-17 01:55 UTCEG score recompute
  6. 2026-09-17 01:55 UTCGHSA enrichment
  7. 2026-09-16 14:08 UTCEPSS rescore
  8. 2026-09-16 12:57 UTCEG score recompute
  9. 2026-09-16 12:56 UTCGHSA enrichment
  10. 2026-09-16 05:15 UTCEPSS rescore
  11. 2026-09-15 23:59 UTCGHSA enrichment
  12. 2026-09-15 11:01 UTCEG score recompute
  13. 2026-09-15 11:01 UTCGHSA enrichment
  14. 2026-09-15 03:12 UTCEPSS rescore
  15. 2026-09-15 03:12 UTCEPSS rescore
  16. 2026-09-14 21:57 UTCGHSA enrichment
  17. 2026-09-14 08:59 UTCGHSA enrichment
  18. 2026-09-13 20:01 UTCEG score recompute
  19. 2026-09-13 20:01 UTCGHSA enrichment
  20. 2026-09-13 07:02 UTCGHSA enrichment
  21. 2026-09-12 18:05 UTCEG score recompute
  22. 2026-09-12 18:05 UTCGHSA enrichment
  23. 2026-09-12 05:06 UTCGHSA enrichment
  24. 2026-09-11 16:08 UTCEG score recompute
  25. 2026-09-11 16:08 UTCGHSA enrichment
  26. 2026-09-11 14:53 UTCEPSS rescore
  27. 2026-09-11 14:53 UTCEPSS rescore
  28. 2026-09-11 03:06 UTCGHSA enrichment
  29. 2026-09-10 14:08 UTCEG score recompute
  30. 2026-09-10 14:08 UTCGHSA enrichment
  31. 2026-09-10 01:11 UTCGHSA enrichment
  32. 2026-09-09 12:12 UTCGHSA enrichment
  33. 2026-09-08 23:14 UTCEG score recompute
  34. 2026-09-08 23:14 UTCGHSA enrichment
  35. 2026-09-08 22:01 UTCEPSS rescore
  36. 2026-09-08 03:50 UTCEG score recompute
  37. 2026-09-08 03:50 UTCGHSA enrichment
  38. 2026-09-07 14:52 UTCGHSA enrichment
  39. 2026-09-07 00:26 UTCEG score recompute
  40. 2026-09-07 00:26 UTCGHSA enrichment
  41. 2026-09-06 13:48 UTCEPSS rescore
  42. 2026-09-06 11:24 UTCGHSA enrichment
  43. 2026-09-05 22:26 UTCEG score recompute
  44. 2026-09-05 22:26 UTCGHSA enrichment
  45. 2026-09-05 15:31 UTCEPSS rescore
  46. 2026-09-05 09:29 UTCGHSA enrichment
  47. 2026-09-04 20:30 UTCEG score recompute
  48. 2026-09-04 20:30 UTCGHSA enrichment
  49. 2026-09-04 07:26 UTCEG score recompute
  50. 2026-09-04 07:26 UTCGHSA enrichment
  51. 2026-09-04 05:07 UTCEPSS rescore
  52. 2026-09-03 18:25 UTCGHSA enrichment
  53. 2026-09-03 05:20 UTCEG score recompute
  54. 2026-09-03 05:19 UTCGHSA enrichment
  55. 2026-09-02 16:20 UTCEG score recompute
  56. 2026-09-02 16:20 UTCGHSA enrichment
  57. 2026-09-02 14:11 UTCEG score recompute
  58. 2026-09-02 14:11 UTCGHSA enrichment
  59. 2026-09-02 12:25 UTCEG score recompute
  60. 2026-09-02 11:39 UTCEG score recompute
  61. 2026-09-02 11:38 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-81288?
CVE-2026-81288 is a high vulnerability published on September 2, 2026. Unauthenticated Cross Site Scripting (XSS) in Upsell Order Bump Offer for WooCommerce <= 3.1.5 versions.
When was CVE-2026-81288 disclosed?
CVE-2026-81288 was first published in the National Vulnerability Database on September 2, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-81288 actively exploited?
CVE-2026-81288 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 85.3% of all scored CVEs.
What is the CVSS score of CVE-2026-81288?
CVE-2026-81288 has a CVSS v3 base score of 7.1 (NVD).
How do I remediate CVE-2026-81288?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-81288, 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

Explore the affected products and dependency analysis for CVE-2026-81288

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