CVE-2026-75799
CVSS: 9.8v3.1CriticalDeferred
Published 2026-09-23Last modified 2026-09-23
Vulnerability summary
CVSS score
9.8/10
010
Critical · v3.1 (wordfence)EPSS score
0.26%
0%100%
Low · Change unavailableKEVNot listed0 of 3 catalogs
RansomwareNone recordedNo known use recorded
Public exploits1reference
Timeline
- 2026-09-23PublishedVulnerability first disclosed.
- 2026-09-23Last modifiedVulnerability information updated.
Description
The YAHMAN Add-ons WordPress plugin before 0.9.31 does not validate the type of the remote files it caches in a publicly accessible directory, allowing unauthenticated attackers to write arbitrary PHP files on the server and achieve RCE when the relevant feature is enabled.
CVSS metrics
3 scores · 3 sources · 1 versionCritical 9.8Preferred score · wordfence (Source)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HSources3 sources · 9.0–9.8
- CVE.orgCNA9.0CriticalCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:HDiffers
- NVDNIST9.0CriticalCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:HDiffers
EPSS trend
Probability
0.26%
Chance of exploitation in the next 30 days
Percentile
17%
Versus all other CVEs
30-day change
Change unavailable
Change unavailable
2026-09-232026-10-14
EPSS score0.26%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundExploit Reference (wpscan.com)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Unknown1 product
- yahman add-ons< 0.9.31
Wordpress1 product
- yahman-add-ons≤ 0.9.30 (fixed in 0.9.31)
2 vendors · 2 products