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CVE-2019-15779

26
FAUCET Score

CVE-2019-15779 describes a critical vulnerability in the insta-gallery plugin (versions prior to 2.4.8) for WordPress, specifically affecting quadlayers wp_social_feed_gallery. The flaw stems from a lack of nonce validation for the qligg_dismiss_notice and qligg_form_item_delete functions. With a CVSS score of 8.8 (HIGH), this vulnerability allows unauthenticated attackers to achieve high impact on confidentiality, integrity, and availability through a low-complexity attack requiring user interaction. Despite its severity, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
< 2.4.8CPE matchmatch criteria
cpe:2.3:a:quadlayers:wp_social_feed_gallery:*:*:*:*:*:wordpress:*:*

CVSS Data

CVSS version used by this source: 3.0

8.8HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
2.8
Impact Score
5.9
CvssVersion
3.0

Exploit Intelligence

EPSS Score
0.69%
Probability of exploitation in next 30 days
EPSS Percentile
49.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
This CVE's current EPSS score of 0.0069 is in the 51st percentile among its peer group of 14,825 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.1 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

wordpress.org / plugins/insta-gallery
ProductRelease Notes
wpvulndb.com / vulnerabilities/9853
Third Party Advisory