CVE Explorer
CVE-2026-3577
The Keep Backup Daily plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the backup title alias (`val` parameter) in the `update_kbd_bkup_alias` AJAX action in all versions up to, and including, 2.1.2. This is due to insufficient input sanitization and output escaping. While `sanitize_text_field()` strips HTML tags on save, it does not encode double quotes. The backup titles are output in HTML attribute contexts without `esc_attr()`. This makes it possible for authenticated at
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0
Affected products and versions
1 source assertion{"defaultStatus":"unaffected","product":"Keep Backup Daily","vendor":"fahadmahmood","versions":[{"lessThanOrEqual":"2.1.2","status":"affected","version":"0","versionType":"semver"}]}
- cve_program_cvelist_v5affectedurn:baitaphish:normalized-source-record:v2:77f8268aeec0774b36077781d78929584b298839c3790a3d0e62200f93ce162d · sha256:f0620333641bbb78… · /containers/cna/affected/0
Provider-owned CVSS observations
1 source assertion{"metric":{"baseScore":4.4,"baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:N/AC:H/PR:H/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:v2:77f8268aeec0774b36077781d78929584b298839c3790a3d0e62200f93ce162d · sha256:f0620333641bbb78… · /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:v2:77f8268aeec0774b36077781d78929584b298839c3790a3d0e62200f93ce162d · sha256:f0620333641bbb78… · /containers/cna/problemTypes/0/descriptions/0
Source references
6 source assertions{"url":"https://plugins.trac.wordpress.org/browser/keep-backup-daily/tags/2.1.1/inc/functions.php#L626"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:77f8268aeec0774b36077781d78929584b298839c3790a3d0e62200f93ce162d · sha256:f0620333641bbb78… · /containers/cna/references/1
{"url":"https://plugins.trac.wordpress.org/browser/keep-backup-daily/tags/2.1.1/inc/kbd_cron.php#L505"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:77f8268aeec0774b36077781d78929584b298839c3790a3d0e62200f93ce162d · sha256:f0620333641bbb78… · /containers/cna/references/3
{"url":"https://plugins.trac.wordpress.org/browser/keep-backup-daily/trunk/inc/functions.php#L626"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:77f8268aeec0774b36077781d78929584b298839c3790a3d0e62200f93ce162d · sha256:f0620333641bbb78… · /containers/cna/references/2
{"url":"https://plugins.trac.wordpress.org/browser/keep-backup-daily/trunk/inc/kbd_cron.php#L505"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:77f8268aeec0774b36077781d78929584b298839c3790a3d0e62200f93ce162d · sha256:f0620333641bbb78… · /containers/cna/references/4
{"url":"https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=3481587%40keep-backup-daily&new=3481587%40keep-backup-daily&sfp_email=&sfph_mail="}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:77f8268aeec0774b36077781d78929584b298839c3790a3d0e62200f93ce162d · sha256:f0620333641bbb78… · /containers/cna/references/5
{"url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/18a4fa4b-5c99-4347-8b34-e49f7e0972be?source=cve"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:77f8268aeec0774b36077781d78929584b298839c3790a3d0e62200f93ce162d · sha256:f0620333641bbb78… · /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.