CVE-2026-48970: WordPress Really Simple SSL plugin <= 9.5.10 - Broken Authentication vulnerability
Deferred
Published 15-06-2026Last modified 16-06-2026
Vulnerability summary
CVE-2026-48970 is a high (CVSS 8.1) vulnerability in really simple plugins really simple ssl. EPSS estimates a 0.46% chance of exploitation in the next 30 days, higher than 38.5% of scored vulnerabilities. Fixed in 9.5.10.1.
CVSS score
8.1/10
010
High · v3.1 (CVE.org)EPSS score
0.46%
0%100%
Low · +0.06 pp in 30 daysKEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded
Timeline
- 15-06-2026PublishedVulnerability first disclosed.
- 16-06-2026Last modifiedVulnerability information updated.
Description
Unauthenticated Broken Authentication in Really Simple SSL <= 9.5.10 versions.
CVSS metrics
3 scores · 3 sources · 1 versionHigh 8.1Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:HSources3 sources · 5.3–8.1
- NVDNIST8.1HighCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
- wordfenceSource5.3MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:NDiffers
EPSS trend
Probability
0.46%
Chance of exploitation in the next 30 days
Percentile
39%
Versus all other CVEs
30-day change
Increase +0.06 pp
From 0.39% 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 cause- CWE-288Authentication Bypass Using an Alternate Path or ChannelThe product requires authentication, but the product has an alternate path or channel that does not require authentication.
- CWE-862Missing AuthorizationThe product does not perform an authorization check when an actor attempts to access a resource or perform an action.
Affected systems
Really simple plugins1 product
- really simple ssl≥ n/a, ≤ 9.5.10
Wordpress1 product
- really-simple-ssl≤ 9.5.10 (fixed in 9.5.10.1)
2 vendors · 2 products
References
2 links- patchstack.com/database/…VDB Entry