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CVE-2025-13079

19
FAUCET Score

CVE-2025-13079 is an authorization bypass vulnerability affecting all versions up to and including 4.4.2 of the Popup Builder WordPress plugin. This medium-severity vulnerability (CVSS 5.3) allows unauthenticated attackers to unsubscribe arbitrary subscribers from mailing lists by brute-forcing predictable unsubscribe tokens, provided they know the victim's email address. While the FAUCET Risk Score is high at 82/100, there is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
PopupbuilderPopup Builder – Create Highly Converting, Mobile Friendly Marketing Popups.
>= 0, <= 4.4.2CNA affecteddefault unaffected

CVSS Data

CVSS version used by this source: 3.1

5.3MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
3.9
Impact Score
1.4
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.37%
Probability of exploitation in next 30 days
EPSS Percentile
29.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0037 is in the 18th percentile among its peer group of 23,705 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

plugins.trac.wordpress.org / browser/popup-builder/tags/4.4.2/com/classes/Actions.php
plugins.trac.wordpress.org / browser/popup-builder/tags/4.4.2/com/helpers/AdminHelper.php
plugins.trac.wordpress.org / changeset
wordfence.com / threat-intel/vulnerabilities/id/62b29721-0580-4e1d-824d-9b8355890248