CVE-2026-57645: WordPress Newsletters plugin <= 4.13 - Broken Access Control vulnerability
Deferred
Published 26-06-2026Last modified 26-06-2026
Vulnerability summary
CVE-2026-57645 is a high (CVSS 8.1) Missing Authorization vulnerability in tribulant software newsletters. EPSS estimates a 0.35% chance of exploitation in the next 30 days, higher than 27% of scored vulnerabilities. Fixed in 4.14.
CVSS score
8.1/10
010
High · v3.1 (CVE.org)EPSS score
0.35%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded
Timeline
- 26-06-2026PublishedVulnerability first disclosed.
- 26-06-2026Last modifiedVulnerability information updated.
Description
newsletters_subscribers Broken Access Control in Newsletters <= 4.13 versions.
CVSS metrics
3 scores · 3 sources · 1 versionHigh 8.1Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:HSources3 sources · 4.3–8.1
- NVDNIST8.1HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:H
- wordfenceSource4.3MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:NDiffers
EPSS trend
Probability
0.35%
Chance of exploitation in the next 30 days
Percentile
27%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.35% on 24-09-2026
24-09-202624-10-2026
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
Tribulant software1 product
- newsletters≥ n/a, ≤ 4.13
Wordpress1 product
- newsletters-lite≤ 4.13 (fixed in 4.14)
2 vendors · 2 products
References
2 links- patchstack.com/database/…VDB Entry