01 Record
CVE-2026-91092
wpForo Forum <= 3.1.5 - Missing Authorization to Authenticated (Subscriber+) Guest Post Takeover via wpforo_post_edit Action / Forged comment_author_email Cookie
MediumPUBLISHEDCNA: Wordfence
CNA base score4.3 CVSS v3.xCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
02 Description
wpForo Forum <= 3.1.5 - Missing Authorization to Authenticated (Subscriber+) Guest Post Takeover via wpforo_post_edit Action / Forged comment_author_email Cookie
03 Exploitation and scoring
- Exploitation
- Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.
- SSVC decision
- ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
- AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
- Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.
- EPSS probability
- 0.39% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 33.3% of scored records. A rank, not a probability.
- NVD base score
- 4.3 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
- NVD analysis status
- Deferred. NVD last modified this record on 2026-09-23.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2026-09-22 07:41Z1 MO AGO
- Last updated
- 2026-09-23 18:46Z1 MO AGO
- Reserved
- 2026-09-14
- Assigning CNA
- Wordfence
- Record state
- PUBLISHED
- Severity
- Medium (CVSS 4.3)
- CNA CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
- Weaknesses
- CWE-862Missing AuthorizationClass
- Data version
- 5.2
- Document digest
- 874c6506fd518067f58d44f4cb5a1d0ead0738ba42fcc562d8b698f0335b4885
05 Affected products
VendorProductVersionsPlatforms
06 References
- www.wordfence.comhttps://www.wordfence.com/threat-intel/vulnerabilities/id/97084759-a8fb-4b26-a6fa-93d005b1110e?source=cve
- plugins.trac.wordpress.orghttps://plugins.trac.wordpress.org/browser/wpforo/tags/3.1.5/classes/Posts.php#L319
- plugins.trac.wordpress.orghttps://plugins.trac.wordpress.org/browser/wpforo/tags/3.1.5/includes/functions.php#L2820
- plugins.trac.wordpress.orghttps://plugins.trac.wordpress.org/browser/wpforo/tags/3.1.5/classes/Members.php#L3704
- plugins.trac.wordpress.orghttps://plugins.trac.wordpress.org/browser/wpforo/tags/3.1.5/classes/Actions.php#L806
- plugins.trac.wordpress.orghttps://plugins.trac.wordpress.org/browser/wpforo/tags/3.1.5/includes/hooks.php#L1004
- plugins.trac.wordpress.orghttps://plugins.trac.wordpress.org/changeset?reponame=&old=3702319%40wpforo&new=3702319%40wpforo