CVE-2026-13558

LOWPre-NVD 3.53.5
EchelonGraph scoreMEDIUM confidence

Score 3.5 from GitHub Security Advisory (severity: LOW) published 2026-06-29. a secondary CVSS source baseline 3.5; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this weekElevated
3.5EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 3.5Exploit: Elevated riskExposed: 0

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

A security flaw has been discovered in CodeAstro Complaint Management System 1.0. This issue affects some unknown processing of the file /report/addreport of the component Report Handler. Performing a manipulation of the argument Report Title results in cross site scripting. Remote exploitation of the attack is possible. The exploit has been released to the public and may be used for attacks.

CVSS v3
3.5
EG Score
3.5(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
Severity35% × 45%
Exploitation40% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
28%
KEV
Not listed

Published

June 29, 2026

Last Modified

June 29, 2026

Vendor Advisories for CVE-2026-13558(1)

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

Weakness Classification(2)

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

Data Freshness Timeline

(refreshed 8× in last 7d / 39× 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. 2026-09-01 04:39 UTCEPSS rescore
  2. 2026-08-30 19:17 UTCEPSS rescore
  3. 2026-08-30 01:21 UTCEPSS rescore
  4. 2026-08-28 21:40 UTCEPSS rescore
  5. 2026-08-27 22:48 UTCEG score recompute
  6. 2026-08-27 22:48 UTCGHSA enrichment
  7. 2026-08-27 14:24 UTCEPSS rescore
  8. 2026-08-25 13:48 UTCEPSS rescore
  9. 2026-08-23 00:19 UTCEPSS rescore
  10. 2026-08-22 09:06 UTCEG score recompute
  11. 2026-08-22 09:06 UTCGHSA enrichment
  12. 2026-08-21 23:48 UTCEPSS rescore
  13. 2026-08-20 22:55 UTCEPSS rescore
  14. 2026-08-19 17:03 UTCEPSS rescore
  15. 2026-08-18 23:21 UTCEG score recompute
  16. 2026-08-18 23:21 UTCGHSA enrichment
  17. 2026-08-18 13:48 UTCEPSS rescore
  18. 2026-08-16 14:56 UTCEPSS rescore
  19. 2026-08-16 02:14 UTCEPSS rescore
  20. 2026-08-15 01:31 UTCEG score recompute
  21. 2026-08-15 01:31 UTCGHSA enrichment
  22. 2026-08-15 01:30 UTCEPSS rescore
  23. 2026-08-13 22:00 UTCEPSS rescore
  24. 2026-08-12 13:50 UTCEPSS rescore
  25. 2026-08-11 20:25 UTCEG score recompute
Show 65 more
  1. 2026-08-11 20:25 UTCGHSA enrichment
  2. 2026-08-11 13:42 UTCEPSS rescore
  3. 2026-08-10 23:59 UTCEPSS rescore
  4. 2026-08-09 13:46 UTCEPSS rescore
  5. 2026-08-08 16:37 UTCEPSS rescore
  6. 2026-08-08 15:19 UTCEG score recompute
  7. 2026-08-08 15:19 UTCGHSA enrichment
  8. 2026-08-06 13:46 UTCEPSS rescore
  9. 2026-08-05 19:17 UTCEPSS rescore
  10. 2026-08-05 10:11 UTCEG score recompute
  11. 2026-08-05 10:11 UTCGHSA enrichment
  12. 2026-08-04 15:09 UTCEPSS rescore
  13. 2026-08-04 10:38 UTCEPSS rescore
  14. 2026-08-03 10:35 UTCEPSS rescore
  15. 2026-08-02 04:44 UTCEG score recompute
  16. 2026-08-02 04:44 UTCGHSA enrichment
  17. 2026-08-02 02:26 UTCEPSS rescore
  18. 2026-08-01 04:15 UTCEPSS rescore
  19. 2026-07-30 16:27 UTCEPSS rescore
  20. 2026-07-30 01:30 UTCEPSS rescore
  21. 2026-07-29 23:38 UTCEG score recompute
  22. 2026-07-29 23:38 UTCGHSA enrichment
  23. 2026-07-28 15:36 UTCEPSS rescore
  24. 2026-07-27 14:13 UTCEPSS rescore
  25. 2026-07-26 14:54 UTCEPSS rescore
  26. 2026-07-26 14:54 UTCEPSS rescore
  27. 2026-07-26 14:20 UTCEG score recompute
  28. 2026-07-26 14:20 UTCGHSA enrichment
  29. 2026-07-25 14:17 UTCEPSS rescore
  30. 2026-07-24 14:17 UTCEPSS rescore
  31. 2026-07-23 14:18 UTCEPSS rescore
  32. 2026-07-23 03:05 UTCEG score recompute
  33. 2026-07-22 14:08 UTCEPSS rescore
  34. 2026-07-21 15:24 UTCEPSS rescore
  35. 2026-07-20 17:08 UTCEPSS rescore
  36. 2026-07-19 14:30 UTCEPSS rescore
  37. 2026-07-19 02:28 UTCEPSS rescore
  38. 2026-07-18 10:04 UTCEPSS rescore
  39. 2026-07-16 17:02 UTCEPSS rescore
  40. 2026-07-15 16:57 UTCEPSS rescore
  41. 2026-07-15 13:43 UTCGHSA enrichment
  42. 2026-07-15 02:00 UTCEPSS rescore
  43. 2026-07-13 22:30 UTCEPSS rescore
  44. 2026-07-13 06:12 UTCEPSS rescore
  45. 2026-07-12 08:31 UTCGHSA enrichment
  46. 2026-07-12 05:46 UTCEPSS rescore
  47. 2026-07-11 08:27 UTCEPSS rescore
  48. 2026-07-09 19:10 UTCEPSS rescore
  49. 2026-07-09 03:24 UTCGHSA enrichment
  50. 2026-07-08 15:15 UTCEPSS rescore
  51. 2026-07-08 15:15 UTCEPSS rescore
  52. 2026-07-07 13:46 UTCEPSS rescore
  53. 2026-07-06 16:27 UTCEPSS rescore
  54. 2026-07-06 02:23 UTCEPSS rescore
  55. 2026-07-05 22:18 UTCGHSA enrichment
  56. 2026-07-05 02:30 UTCEPSS rescore
  57. 2026-07-05 02:30 UTCEPSS rescore
  58. 2026-07-04 06:31 UTCEPSS rescore
  59. 2026-07-02 17:11 UTCGHSA enrichment
  60. 2026-07-01 15:06 UTCEPSS rescore
  61. 2026-07-01 15:06 UTCEPSS rescore
  62. 2026-06-30 23:22 UTCEPSS rescore
  63. 2026-06-29 15:26 UTCNVD updateCVSS v4 → 2
  64. 2026-06-29 12:03 UTCEG score recompute
  65. 2026-06-29 12:02 UTCMITRE cvelistV5first tracked

Frequently asked(5)

What is CVE-2026-13558?
CVE-2026-13558 is a low vulnerability published on June 29, 2026. A security flaw has been discovered in CodeAstro Complaint Management System 1.0. This issue affects some unknown processing of the file /report/addreport of the component Report Handler. Performing a manipulation of the argument Report Title results in cross site scripting. Remote exploitation of…
When was CVE-2026-13558 disclosed?
CVE-2026-13558 was first published in the National Vulnerability Database on June 29, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-13558 actively exploited?
CVE-2026-13558 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 72.4% of all scored CVEs.
What is the CVSS score of CVE-2026-13558?
CVE-2026-13558 has a CVSS v3 base score of 3.5 (NVD).
How do I remediate CVE-2026-13558?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-13558, 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-2026-13558

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