CVE-2025-67537: blair williams thirstyaffiliates Cross-site Scripting
CVSS: 6.5v3.1MediumDeferred
Published 09-12-2025Last modified 28-04-2026
Vulnerability summary
CVE-2025-67537 is a medium (CVSS 6.5) Cross-site Scripting vulnerability in blair williams thirstyaffiliates. EPSS estimates a 0.20% chance of exploitation in the next 30 days, higher than 8.7% of scored vulnerabilities. Fixed in 3.11.9.
CVSS score
6.5/10
010
Medium · v3.1 (CVE.org)EPSS score
0.20%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 09-12-2025PublishedVulnerability first disclosed.
- 28-04-2026Last modifiedVulnerability information updated.
Description
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Blair Williams ThirstyAffiliates thirstyaffiliates allows Stored XSS.This issue affects ThirstyAffiliates: from n/a through <= 3.11.8.
CVSS metrics
3 scores · 3 sources · 1 versionMedium 6.5Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:LSources3 sources · 6.4–6.5
- NVDNIST6.5MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L
- wordfenceSource6.4MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:NDiffers
EPSS trend
Probability
0.20%
Chance of exploitation in the next 30 days
Percentile
9%
Versus all other CVEs
30-day change
0.00 pp
From 0.20% on 19-09-2026
19-09-202619-10-2026
EPSS score0.20%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Blair williams1 product
- thirstyaffiliates≤ 3.11.8
Wordpress1 product
- thirstyaffiliates≤ 3.11.8 (fixed in 3.11.9)
2 vendors · 2 products
References
2 links- patchstack.com/database/…VDB Entry