BackUpWordPress < 3.15 - Subscriber+ Backup Directory File Deletion via hmbkp_dismiss_error
- Exploited
- No known exploitation
- Fix
- Fixed in 3.15
- Who is exposed
- Not reported
Do first: Upgrade to a fixed version: 3.15.
- Last modified
- FIRST's estimate of the chance attackers exploit it in the next 30 days, updated daily.What do these mean? →
- 0.14% · 3rd percentile
- A 0-100 score for how much a CVE matters across the industry: exploitation, exposure, how widely the software is used, severity and whether a fix exists.What do these mean? →
- 8/100 · provisional
- Whether working attack code is public (Exploit-DB, Metasploit, Nuclei or GitHub). Public code makes attacks easier.What do these mean? →
- None on Exploit-DB, Metasploit or GitHub
- Exploitation: none
- Automatable: no
- Technical impact: partial
Summary
The BackUpWordPress WordPress plugin lets any authenticated user, including those with the Subscriber role, delete its backup protection and working files. This removes download protection from stored backups and disrupts backups that are in progress.
Written by anthropic/claude-haiku-5.5 from the sources below. Verify against them.
Read the original description
The BackUpWordPress plugin before 3.15 does not perform a capability or nonce check on an AJAX action that cleans up its backup directory, allowing any authenticated user (Subscriber and above) to delete the BackUpWordPress plugin before 3.15's backup protection and working files, removing download protection from stored backups and disrupting in-progress backups.
cve.now Index
- Exploitation0/40No signal
- Exposure3/25Reachable over the network · Unknown: No advisory context yet
- Reach?/20Unknown. No tracked technology or package matched
- Severity5.4/10CVSS 5.4
- No patch0/5No signal
What would change the score
- Would score about 63 if added to CISA KEV
- Would score about 58 if CISA's SSVC rates exploitation active
- Would score about 27 if advisories confirm default setups are exposed
What to do
Upgrade to a fixed version: 3.15.
Timeline
- CVE published
- First seen by cve.now
- CISA SSVC assessment
Exploitation: none · Automatable: no · Technical impact: partial
- Record last updated
Affected versions
- Unknown BackUpWordPress
fixed in 3.15
Evidence 1
- Exploit
Corrections
None so far.
Something wrong on this page? Report an error. Every fix is listed here.
Questions about CVE-2026-104307
Is CVE-2026-104307 being exploited?
It is not in CISA's Known Exploited Vulnerabilities catalog, and CISA's SSVC assessment does not mark exploitation as active. That does not mean it has not been attacked: vendors and researchers can report attacks before CISA lists them. No public exploit code is tracked.Source: cve.now feed data
Which versions are affected by CVE-2026-104307?
BackUpWordPress: before 3.15.Source: cve.now feed data
How do I fix CVE-2026-104307?
Upgrade to a fixed version: 3.15.Source: cve.now feed data