CVE-2026-14833

MEDIUMPre-NVD 6.86.8—
EchelonGraph scoreHIGH confidence

Score 6.8 from GitHub Security Advisory published 2026-07-31. CISA-ADP (Vulnrichment) CVSS v3.1 baseline 6.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cisa-adp, epss, ghsa
Trending — 3 sources updated this weekElevated
6.8EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 6.8Exploit: Elevated riskExposed: 0

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

The Lightbox with PhotoSwipe WordPress plugin before 5.9.0 does not sanitise or escape a link data attribute before rendering it into the image lightbox caption in the browser, allowing users with author-level access and above (who lack the unfiltered_html capability) to store JavaScript that runs when a visitor or administrator opens the lightbox.

CVSS v3
6.8
EG Score
6.8(high)
EG Risk
47(Track)
EG Risk 47/100SSVC: 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
Severity68% × 45%
Exploitation40% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
15%
KEV
Not listed

Published

July 31, 2026

Last Modified

July 31, 2026

Advisory Details (1)

Auto-updated Jul 31, 2026
🔬 Proof of concept available. No patch confirmed yet.
generic🟡 PoC Available

Lightbox with PhotoSwipe < 5.9.0 – Author+ Stored XSS via data-lbwps-caption Attribute | CVE 2026-14833 | Plugin Vulnerabilities

https://wpscan.com/vulnerability/aae59cb8-b259-464e-a86b-164d89f61342/

Vendor Advisories for CVE-2026-14833(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 19× in last 7d / 63× 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 07:30 UTCEG score recompute
  3. 2026-08-20 07:30 UTCGHSA enrichment
  4. 2026-08-19 17:03 UTCEPSS rescore
  5. 2026-08-19 05:13 UTCEG score recompute
  6. 2026-08-19 05:13 UTCGHSA enrichment
  7. 2026-08-18 13:48 UTCEPSS rescore
  8. 2026-08-18 02:49 UTCEG score recompute
  9. 2026-08-18 02:49 UTCGHSA enrichment
  10. 2026-08-17 13:47 UTCEPSS rescore
  11. 2026-08-17 00:33 UTCEG score recompute
  12. 2026-08-17 00:33 UTCGHSA enrichment
  13. 2026-08-16 14:56 UTCEPSS rescore
  14. 2026-08-16 02:14 UTCEPSS rescore
  15. 2026-08-15 22:17 UTCEG score recompute
  16. 2026-08-15 22:17 UTCGHSA enrichment
  17. 2026-08-15 01:30 UTCEPSS rescore
  18. 2026-08-14 20:00 UTCEG score recompute
  19. 2026-08-14 20:00 UTCGHSA enrichment
  20. 2026-08-13 22:00 UTCEPSS rescore
  21. 2026-08-13 17:44 UTCGHSA enrichment
  22. 2026-08-12 15:29 UTCEG score recompute
  23. 2026-08-12 15:29 UTCGHSA enrichment
  24. 2026-08-12 13:50 UTCEPSS rescore
  25. 2026-08-11 13:42 UTCEPSS rescore
Show 38 more
  1. 2026-08-11 13:04 UTCEG score recompute
  2. 2026-08-11 13:04 UTCGHSA enrichment
  3. 2026-08-10 23:59 UTCEPSS rescore
  4. 2026-08-10 10:48 UTCEG score recompute
  5. 2026-08-10 10:48 UTCGHSA enrichment
  6. 2026-08-09 13:46 UTCEPSS rescore
  7. 2026-08-09 08:32 UTCEG score recompute
  8. 2026-08-09 08:32 UTCGHSA enrichment
  9. 2026-08-08 16:37 UTCEPSS rescore
  10. 2026-08-08 06:16 UTCEG score recompute
  11. 2026-08-08 06:16 UTCGHSA enrichment
  12. 2026-08-07 04:00 UTCEG score recompute
  13. 2026-08-07 04:00 UTCGHSA enrichment
  14. 2026-08-06 13:46 UTCEPSS rescore
  15. 2026-08-06 01:44 UTCEG score recompute
  16. 2026-08-06 01:44 UTCGHSA enrichment
  17. 2026-08-05 19:17 UTCEPSS rescore
  18. 2026-08-04 23:28 UTCEG score recompute
  19. 2026-08-04 23:28 UTCGHSA enrichment
  20. 2026-08-04 15:09 UTCEPSS rescore
  21. 2026-08-04 10:38 UTCEPSS rescore
  22. 2026-08-03 21:13 UTCEG score recompute
  23. 2026-08-03 21:13 UTCGHSA enrichment
  24. 2026-08-03 10:35 UTCEPSS rescore
  25. 2026-08-02 18:57 UTCEG score recompute
  26. 2026-08-02 18:57 UTCGHSA enrichment
  27. 2026-08-02 02:26 UTCEPSS rescore
  28. 2026-08-01 16:41 UTCEG score recompute
  29. 2026-08-01 16:41 UTCGHSA enrichment
  30. 2026-08-01 04:15 UTCEPSS rescore
  31. 2026-07-31 14:24 UTCEG score recompute
  32. 2026-07-31 14:24 UTCGHSA enrichment
  33. 2026-07-31 13:59 UTCEG score recompute▲ 6.80
  34. 2026-07-31 13:59 UTCGHSA enrichment
  35. 2026-07-31 13:58 UTCMITRE cvelistV5CVSS v3 → 6.8 · severity → MEDIUM
  36. 2026-07-31 07:24 UTCNVD update
  37. 2026-07-31 06:30 UTCEG score recompute
  38. 2026-07-31 06:28 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-14833?
CVE-2026-14833 is a medium vulnerability published on July 31, 2026. The Lightbox with PhotoSwipe WordPress plugin before 5.9.0 does not sanitise or escape a link data attribute before rendering it into the image lightbox caption in the browser, allowing users with author-level access and above (who lack the unfiltered_html capability) to store JavaScript that runs…
When was CVE-2026-14833 disclosed?
CVE-2026-14833 was first published in the National Vulnerability Database on July 31, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-14833 actively exploited?
CVE-2026-14833 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 85.2% of all scored CVEs.
What is the CVSS score of CVE-2026-14833?
CVE-2026-14833 has a CVSS v3.1 base score of 6.8 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
How do I remediate CVE-2026-14833?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-14833, 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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