CVE-2026-12877

CRITICALPre-NVD 9.19.1—
EchelonGraph scoreHIGH confidence

Score 9.1 from GitHub Security Advisory (severity: CRITICAL) published 2026-07-24. CISA-ADP (Vulnrichment) CVSS v3.1 baseline 9.1; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cisa-adp, epss, ghsa
Trending — 4 sources updated this weekElevated
9.1EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 9.1Exploit: Elevated riskExposed: 0

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

The Project Management, Bug and Issue Tracking Plugin WordPress plugin before 5.1.0 does not sanitise and escape user supplied input before using it in a SQL query, allowing unauthenticated attackers to perform SQL injection attacks. This is exploitable in the Project Management, Bug and Issue Tracking Plugin WordPress plugin before 5.1.0's standard front-end issue-tracker configuration.

CVSS v3
9.1
EG Score
9.1(high)
EG Risk
72(Attend)
EG Risk 72/100SSVC: Attend

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
Severity91% × 45%
Exploitation40% × 40%
Automatability100% × 15%
Action: Remediate soon — notable exploitation risk.
EPSS PROB
0%
EPSS %ILE
15%
KEV
Not listed

Published

July 24, 2026

Last Modified

July 24, 2026

Advisory Details (1)

Auto-updated Jul 24, 2026
🔬 Proof of concept available. No patch confirmed yet.
generic🟡 PoC Available

Software Issue Manager < 5.1.0 – Unauthenticated SQL Injection via Search Parameter | CVE 2026-12877 | Plugin Vulnerabilities

https://wpscan.com/vulnerability/e9d0ea92-1046-457b-9619-38b61848e36a/

Vendor Advisories for CVE-2026-12877(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 49× in last 7d / 52× 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. 2026-07-31 10:01 UTCGHSA enrichment
  2. 2026-07-31 05:46 UTCGHSA enrichment
  3. 2026-07-31 01:31 UTCGHSA enrichment
  4. 2026-07-30 21:13 UTCGHSA enrichment
  5. 2026-07-30 16:59 UTCEG score recompute
  6. 2026-07-30 16:59 UTCGHSA enrichment
  7. 2026-07-30 16:27 UTCEPSS rescore
  8. 2026-07-30 12:32 UTCEG score recompute
  9. 2026-07-30 12:32 UTCGHSA enrichment
  10. 2026-07-30 08:17 UTCGHSA enrichment
  11. 2026-07-30 04:01 UTCEG score recompute
  12. 2026-07-30 04:01 UTCGHSA enrichment
  13. 2026-07-30 01:30 UTCEPSS rescore
  14. 2026-07-29 23:46 UTCGHSA enrichment
  15. 2026-07-29 19:28 UTCGHSA enrichment
  16. 2026-07-29 15:12 UTCGHSA enrichment
  17. 2026-07-29 10:57 UTCGHSA enrichment
  18. 2026-07-29 06:43 UTCGHSA enrichment
  19. 2026-07-29 02:27 UTCGHSA enrichment
  20. 2026-07-28 22:11 UTCGHSA enrichment
  21. 2026-07-28 17:19 UTCEG score recompute
  22. 2026-07-28 17:19 UTCGHSA enrichment
  23. 2026-07-28 15:36 UTCEPSS rescore
  24. 2026-07-28 13:05 UTCGHSA enrichment
  25. 2026-07-28 08:49 UTCGHSA enrichment
Show 27 more
  1. 2026-07-28 04:34 UTCGHSA enrichment
  2. 2026-07-28 00:18 UTCGHSA enrichment
  3. 2026-07-27 19:46 UTCGHSA enrichment
  4. 2026-07-27 15:29 UTCEG score recompute
  5. 2026-07-27 15:29 UTCGHSA enrichment
  6. 2026-07-27 14:13 UTCEPSS rescore
  7. 2026-07-27 11:14 UTCGHSA enrichment
  8. 2026-07-27 07:00 UTCGHSA enrichment
  9. 2026-07-27 02:44 UTCGHSA enrichment
  10. 2026-07-26 22:29 UTCGHSA enrichment
  11. 2026-07-26 18:14 UTCEG score recompute
  12. 2026-07-26 18:14 UTCGHSA enrichment
  13. 2026-07-26 14:54 UTCEPSS rescore
  14. 2026-07-26 14:54 UTCEPSS rescore
  15. 2026-07-26 13:58 UTCEG score recompute
  16. 2026-07-26 13:58 UTCGHSA enrichment
  17. 2026-07-26 09:43 UTCGHSA enrichment
  18. 2026-07-26 03:04 UTCEG score recompute
  19. 2026-07-26 03:04 UTCGHSA enrichment
  20. 2026-07-25 14:17 UTCEPSS rescore
  21. 2026-07-24 20:13 UTCEG score recompute▲ 9.10
  22. 2026-07-24 20:13 UTCGHSA enrichment
  23. 2026-07-24 20:12 UTCMITRE cvelistV5CVSS v3 → 9.1 · severity → CRITICAL
  24. 2026-07-24 14:17 UTCEPSS rescore
  25. 2026-07-24 08:11 UTCNVD update
  26. 2026-07-24 06:37 UTCEG score recompute
  27. 2026-07-24 06:36 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-12877?
CVE-2026-12877 is a critical vulnerability published on July 24, 2026. The Project Management, Bug and Issue Tracking Plugin WordPress plugin before 5.1.0 does not sanitise and escape user supplied input before using it in a SQL query, allowing unauthenticated attackers to perform SQL injection attacks. This is exploitable in the Project Management, Bug and Issue…
When was CVE-2026-12877 disclosed?
CVE-2026-12877 was first published in the National Vulnerability Database on July 24, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-12877 actively exploited?
CVE-2026-12877 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 85.0% of all scored CVEs.
What is the CVSS score of CVE-2026-12877?
CVE-2026-12877 has a CVSS v3.1 base score of 9.1 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
How do I remediate CVE-2026-12877?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-12877, 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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