CVE-2026-66623: WordPress Social Media & Share Icons plugin <= 2.9.9 - Cross Site Scripting (XSS) vulnerability
Deferred
Published 24-08-2026Last modified 24-08-2026
Vulnerability summary
CVE-2026-66623 is a high (CVSS 7.2) Cross-site Scripting vulnerability in inisev social media & share icons. EPSS estimates a 0.25% chance of exploitation in the next 30 days, higher than 15.6% of scored vulnerabilities.
CVSS score
7.2/10
010
High · v3.1 (wordfence)EPSS score
0.25%
0%100%
Low · +0.11 pp in 30 daysKEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded
Timeline
- 24-08-2026PublishedVulnerability first disclosed.
- 24-08-2026Last modifiedVulnerability information updated.
Description
Unauthenticated Cross Site Scripting (XSS) in Social Media & Share Icons <= 2.9.9 versions.
CVSS metrics
3 scores · 3 sources · 1 versionHigh 7.2Preferred score · wordfence (Source)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:NSources3 sources · 7.1–7.2
- CVE.orgCNA7.1HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:LDiffers
- NVDNIST7.1HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:LDiffers
EPSS trend
Probability
0.25%
Chance of exploitation in the next 30 days
Percentile
16%
Versus all other CVEs
30-day change
Increase +0.11 pp
From 0.15% on 22-09-2026
22-09-202622-10-2026
Known exploited
Compare KEV catalogs
CISA KEVNot in the CISA KEV catalog.
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Inisev1 product
- social media & share icons≥ n/a, ≤ 2.9.9
Wordpress1 product
- ultimate-social-media-icons≤ 2.9.9 (fixed in 3.0.0)
2 vendors · 2 products
References
2 links- patchstack.com/database/…VDB Entry