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CVE-2023-5357

19
FAUCET Score

CVE-2023-5357 is a Stored Cross-Site Scripting (XSS) vulnerability affecting the Instagram for WordPress plugin, versions up to and including 2.1.6. It allows authenticated attackers with contributor-level permissions or higher to inject malicious web scripts into pages via shortcodes due to insufficient input sanitization. The vulnerability has a CVSS score of 5.4 (Medium), indicating a low attack complexity and requiring user interaction, but it can lead to limited confidentiality and integrity impacts. The EPSS score is very low, suggesting a minimal likelihood of exploitation in the wild. Currently, there is no evidence of active exploitation, nor are there known public exploit codes available in Metasploit, Nuclei, or ExploitDB. Community discussion and media coverage for this CVE are also minimal, aligning with typical patterns for many vulnerabilities.

Impacted Technologies

VendorProductVersion(s)CPE
<= 2.1.6CPE matchmatch criteria
cpe:2.3:a:ink361:instagram_for_wordpress:*:*:*:*:*:wordpress:*:*

CVSS Data

CVSS version used by this source: 3.1

6.4MEDIUM

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
3.1
Impact Score
2.7
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.36%
Probability of exploitation in next 30 days
EPSS Percentile
28.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
This CVE's current EPSS score of 0.0036 is in the 41st percentile among its peer group of 15,224 CVEs.

Social Chatter

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

Media Mentions

No media coverage found for this CVE.

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

Remediation

Remediation records are not available for this CVE.

References

plugins.trac.wordpress.org / browser/instagram-for-wordpress/tags/2.1.6/templates/instagramPost.php
Patch
wordfence.com / threat-intel/vulnerabilities/id/3991d8d0-57a8-42e7-a53c-97508f7e137f
Third Party Advisory