CVE-2026-16535

MEDIUMPre-NVD 6.16.1—
EchelonGraph scoreHIGH confidence

Score 6.1 from GitHub Security Advisory published 2026-08-08. CISA-ADP (Vulnrichment) CVSS v3.1 baseline 6.1; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cisa-adp, epss, ghsa
Trending — 3 sources updated this weekElevated
6.1EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 6.1Exploit: Elevated riskExposed: 0

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

The Link Library WordPress plugin before 7.9.4 does not sanitise and escape a parameter before reflecting it back in a response, allowing unauthenticated attackers to perform Reflected Cross-Site Scripting attacks against users who can be tricked into performing an action.

CVSS v3
6.1
EG Score
6.1(high)
EG Risk
43(Track)
EG Risk 43/100SSVC: 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%
Exploitation40% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
6%
KEV
Not listed

Published

August 8, 2026

Last Modified

August 10, 2026

Advisory Details (1)

Auto-updated Aug 10, 2026
🔬 Proof of concept available. No patch confirmed yet.
generic🟡 PoC Available

Link Library < 7.9.4 – Reflected XSS via Thumbs-Rating likelabel | CVE 2026-16535 | Plugin Vulnerabilities

https://wpscan.com/vulnerability/3b6c0efb-c503-437a-8f9b-f8a8c032313c/

Vendor Advisories for CVE-2026-16535(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 21× 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. 2026-08-20 22:55 UTCEPSS rescore
  2. 2026-08-20 14:17 UTCEG score recompute
  3. 2026-08-20 14:17 UTCGHSA enrichment
  4. 2026-08-19 17:03 UTCEPSS rescore
  5. 2026-08-19 11:37 UTCEG score recompute
  6. 2026-08-19 11:36 UTCGHSA enrichment
  7. 2026-08-18 13:48 UTCEPSS rescore
  8. 2026-08-18 09:43 UTCEG score recompute
  9. 2026-08-18 09:43 UTCGHSA enrichment
  10. 2026-08-17 13:47 UTCEPSS rescore
  11. 2026-08-17 07:49 UTCEG score recompute
  12. 2026-08-17 07:49 UTCGHSA enrichment
  13. 2026-08-16 14:56 UTCEPSS rescore
  14. 2026-08-16 05:56 UTCEG score recompute
  15. 2026-08-16 05:56 UTCGHSA enrichment
  16. 2026-08-16 02:14 UTCEPSS rescore
  17. 2026-08-15 04:04 UTCEG score recompute
  18. 2026-08-15 04:04 UTCGHSA enrichment
  19. 2026-08-15 01:30 UTCEPSS rescore
  20. 2026-08-14 02:10 UTCEG score recompute
  21. 2026-08-14 02:10 UTCGHSA enrichment
  22. 2026-08-13 22:00 UTCEPSS rescore
  23. 2026-08-13 00:17 UTCEG score recompute
  24. 2026-08-13 00:17 UTCGHSA enrichment
  25. 2026-08-12 13:50 UTCEPSS rescore
Show 14 more
  1. 2026-08-11 22:25 UTCEG score recompute
  2. 2026-08-11 22:25 UTCGHSA enrichment
  3. 2026-08-11 13:42 UTCEPSS rescore
  4. 2026-08-11 00:00 UTCEPSS rescore
  5. 2026-08-10 20:31 UTCEG score recompute
  6. 2026-08-10 20:31 UTCGHSA enrichment
  7. 2026-08-10 19:20 UTCEG score recompute▲ 6.10
  8. 2026-08-10 19:20 UTCGHSA enrichment
  9. 2026-08-10 19:19 UTCMITRE cvelistV5CVSS v3 → 6.1 · severity → MEDIUM
  10. 2026-08-09 13:46 UTCEPSS rescore
  11. 2026-08-08 16:37 UTCEPSS rescore
  12. 2026-08-08 07:19 UTCNVD update
  13. 2026-08-08 06:22 UTCEG score recompute
  14. 2026-08-08 06:22 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-16535?
CVE-2026-16535 is a medium vulnerability published on August 8, 2026. The Link Library WordPress plugin before 7.9.4 does not sanitise and escape a parameter before reflecting it back in a response, allowing unauthenticated attackers to perform Reflected Cross-Site Scripting attacks against users who can be tricked into performing an action.
When was CVE-2026-16535 disclosed?
CVE-2026-16535 was first published in the National Vulnerability Database on August 8, 2026, with the most recent update on August 10, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-16535 actively exploited?
CVE-2026-16535 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-2026-16535?
CVE-2026-16535 has a CVSS v3.1 base score of 6.1 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
How do I remediate CVE-2026-16535?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-16535, 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-2026-16535

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