CVE-2026-23546: WordPress Classified Listing plugin <= 5.3.4 - Sensitive Data Exposure vulnerability
Deferred
Published 05-03-2026Last modified 28-04-2026
Vulnerability summary
CVE-2026-23546 is a medium (CVSS 6.5) vulnerability in radiustheme classified_listing. EPSS estimates a 0.38% chance of exploitation in the next 30 days, higher than 30.5% of scored vulnerabilities.
CVSS score
6.5/10
010
Medium · v3.1 (CVE.org)EPSS score
0.38%
0%100%
Low · +0.02 pp in 30 daysKEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded
Timeline
- 05-03-2026PublishedVulnerability first disclosed.
- 28-04-2026Last modifiedVulnerability information updated.
Description
Insertion of Sensitive Information Into Sent Data vulnerability in RadiusTheme Classified Listing classified-listing allows Retrieve Embedded Sensitive Data.This issue affects Classified Listing: from n/a through <= 5.3.4.
CVSS metrics
3 scores · 3 sources · 1 versionMedium 6.5Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:NSources3 sources · 4.3–6.5
- NVDNIST6.5MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
- wordfenceSource4.3MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:NDiffers
EPSS trend
Probability
0.38%
Chance of exploitation in the next 30 days
Percentile
31%
Versus all other CVEs
30-day change
Increase +0.02 pp
From 0.36% on 22-09-2026
22-09-202622-10-2026
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root cause- CWE-201Insertion of Sensitive Information Into Sent DataThe code transmits data to another actor, but a portion of the data includes sensitive information that should not be accessible to that actor.
- CWE-200Exposure of Sensitive Information to an Unauthorized ActorThe product exposes sensitive information to an actor that is not explicitly authorized to have access to that information.
Affected systems
Radiustheme1 product
- classified_listing≤ 5.3.4
Wordpress1 product
- classified-listing≤ 5.3.4 (fixed in 5.3.5)
2 vendors · 2 products
References
2 links- patchstack.com/database/…VDB Entry