What is CVE-2019-15829?

CVE-2019-15829 is a medium-severity vulnerability in Greentreelabs Gallery Photoblocks, classified under Cross-site Scripting. CVSS score: 4.8/10. Published 2019-08-30.

How severe is CVE-2019-15829?

Medium severity. CVSS v3 base score is 4.8 out of 10.

Is CVE-2019-15829 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

XSS in Greentreelabs Gallery Photoblocks

CVE-2019-15829

The photoblocks-grid-gallery plugin before 1.1.33 for WordPress has wp-admin/admin.php?page=photoblocks-edit&id= XSS.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2019-08-30 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 4.8 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.012 (67.6th percentile), scored 2026-10-26.

Low probability of exploitation in the next 30 days, but still tracked. 68th percentile — 67.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.013 · newest: 0.012 · change: -0.001

Affected products

Greentreelabs Gallery Photoblocks

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

Public proof-of-concept exploits

20142995/nuclei-templates

References

wpvulndb.com/vulnerabilities/9443 (Third Party Advisory)
wordpress.org/plugins/photoblocks-grid-gallery/ (Third Party Advisory)

Frequently asked questions

What is CVE-2019-15829?: CVE-2019-15829 is a medium-severity vulnerability in Greentreelabs Gallery Photoblocks, classified under Cross-site Scripting. CVSS score: 4.8/10. Published 2019-08-30.
How severe is CVE-2019-15829?: Medium severity. CVSS v3 base score is 4.8 out of 10.
Is CVE-2019-15829 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.