CVE-2026-66706: mark jaquith subscribe to comments Cross-site Scripting
CVSS: 5.9v3.1MediumDeferred
Published 06-08-2026Last modified 06-08-2026
Vulnerability summary
CVE-2026-66706 is a medium (CVSS 5.9) Cross-site Scripting vulnerability in mark jaquith subscribe to comments. EPSS estimates a 0.24% chance of exploitation in the next 30 days, higher than 14.2% of scored vulnerabilities.
CVSS score
5.9/10
010
Medium · v3.1 (CVE.org)EPSS score
0.24%
0%100%
Low · +0.10 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 06-08-2026PublishedVulnerability first disclosed.
- 06-08-2026Last modifiedVulnerability information updated.
Description
Author Cross Site Scripting (XSS) in Subscribe to Comments <= 2.3.1 versions.
CVSS metrics
3 scores · 3 sources · 1 versionMedium 5.9Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:LSources3 sources · 5.4–5.9
- NVDNIST5.9MediumCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:L
- wordfenceSource5.4MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:NDiffers
EPSS trend
Probability
0.24%
Chance of exploitation in the next 30 days
Percentile
14%
Versus all other CVEs
30-day change
+0.10 pp
From 0.14% on 19-09-2026
19-09-202619-10-2026
EPSS score0.24%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Mark jaquith1 product
- subscribe to comments≥ n/a, ≤ 2.3.1
Wordpress1 product
- subscribe-to-comments≤ 2.3.1
2 vendors · 2 products
References
2 links- patchstack.com/database/…VDB Entry