CVE Explorer
CVE-2026-8900
The Simple SEO Slideshow plugin for WordPress is vulnerable to Stored Cross-Site Scripting via Shortcode Attributes in all versions up to, and including, 1.2.8 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. WordPress KSES does not strip malicious shortcode attribute values on post save, allo
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0
Affected products and versions
1 source assertion{"defaultStatus":"unaffected","product":"Simple SEO Slideshow","vendor":"spyrosvl","versions":[{"lessThanOrEqual":"1.2.8","status":"affected","version":"0","versionType":"semver"}]}
- cve_program_cvelist_v5affectedurn:baitaphish:normalized-source-record:v2:27f3018fa3a6c00274f6ad11a9009fdccabaa38278245ba7cbdf9904f37fcd3e · sha256:ffa9090089d0a603… · /containers/cna/affected/0
Provider-owned CVSS observations
1 source assertion{"metric":{"baseScore":6.4,"baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N","version":"3.1"},"metric_type":"cvssV3_1"}
- cve_program_cvelist_v5cvssurn:baitaphish:normalized-source-record:v2:27f3018fa3a6c00274f6ad11a9009fdccabaa38278245ba7cbdf9904f37fcd3e · sha256:ffa9090089d0a603… · /containers/cna/metrics/0/cvssV3_1
CWE assertions
1 source assertion{"cweId":"CWE-79","description":"CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')","lang":"en","type":"CWE"}
- cve_program_cvelist_v5cweurn:baitaphish:normalized-source-record:v2:27f3018fa3a6c00274f6ad11a9009fdccabaa38278245ba7cbdf9904f37fcd3e · sha256:ffa9090089d0a603… · /containers/cna/problemTypes/0/descriptions/0
Source references
5 source assertions{"url":"https://plugins.trac.wordpress.org/browser/simple-seo-slideshow/trunk/simpleslideshow.php#L235"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:27f3018fa3a6c00274f6ad11a9009fdccabaa38278245ba7cbdf9904f37fcd3e · sha256:ffa9090089d0a603… · /containers/cna/references/2
{"url":"https://plugins.trac.wordpress.org/browser/simple-seo-slideshow/trunk/simpleslideshow.php#L334"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:27f3018fa3a6c00274f6ad11a9009fdccabaa38278245ba7cbdf9904f37fcd3e · sha256:ffa9090089d0a603… · /containers/cna/references/1
{"url":"https://plugins.trac.wordpress.org/browser/simple-seo-slideshow/trunk/simpleslideshow.php#L356"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:27f3018fa3a6c00274f6ad11a9009fdccabaa38278245ba7cbdf9904f37fcd3e · sha256:ffa9090089d0a603… · /containers/cna/references/3
{"url":"https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=3551425%40simple-seo-slideshow&new=3551425%40simple-seo-slideshow&sfp_email=&sfph_mail="}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:27f3018fa3a6c00274f6ad11a9009fdccabaa38278245ba7cbdf9904f37fcd3e · sha256:ffa9090089d0a603… · /containers/cna/references/4
{"url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/3b3bb703-fdff-4525-9272-7a3db58b81a0?source=cve"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:27f3018fa3a6c00274f6ad11a9009fdccabaa38278245ba7cbdf9904f37fcd3e · sha256:ffa9090089d0a603… · /containers/cna/references/0
Attribution and limitations
- CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →
Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.