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CVE-2017-8295· NVD / CVE Program· CNA mitre

WordPress through 4.7.4 relies on the Host HTTP header for a password-reset e-mail message, which makes it easier for remote attackers to re

WordPress through 4.7.4 relies on the Host HTTP header for a password-reset e-mail message, which makes it easier for remote attackers to reset arbitrary passwords by making a crafted wp-login.php?action=lostpassword request and then arranging for this message to bounce or be resent, leading to transmission of the reset key to a mailbox on an attacker-controlled SMTP server. This is related to problematic use of the SERVER_NAME variable in wp-includes/pluggable.php in conjunction with the PHP mail function. Exploitation is not achievable in all cases because it requires at least one of the following: (1) the attacker can prevent the victim from receiving any e-mail messages for an extended period of time (such as 5 days), (2) the victim's e-mail system sends an autoresponse containing the original message, or (3) the victim manually composes a reply containing the original message.

MediumCVSS 5.9 · v3.0—Proof of concept Fix available

Noroxi analysis

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Published
May 4, 2017
Updated
Jun 16, 2026
EPSS
26.7% · 98th percentile
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Report tools

JSON

Action score

31

Monitor

Low priority for now.

CVSS
23 / 40 · 5.9 / 10
CISA KEV
0 / 30 · Not listed
EPSS
8 / 30 · 26.7%

Affected systems

VendorProduct
wordpresswordpress

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Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

  • wordpress wordpressup to 4.7.4 inclusive

Package-level exposure

OSV and GitHub Advisory data: ecosystem, package and range. SBOM matching uses this table.

EcosystemPackageAffected rangeFix
Debian:12wordpressbefore 4.7.5+dfsg-24.7.5+dfsg-2
Debian:7wordpressbefore 3.6.1+dfsg-1~deb7u153.6.1+dfsg-1~deb7u15
Debian:8wordpressbefore 4.1+dfsg-1+deb8u144.1+dfsg-1+deb8u14

Same product

wordpress: all records

Other highest-scoring records for the same primary product.

  • CVE-2026-63030WordPress < 7.0.2 - REST API batch-route confusion and SQL injection issue leading to Remote Code ExecutionKEV
    72This week
  • CVE-2026-87902An unauthenticated attacker can make `get_page_template()` page-template resolution include a chosen readable local `.php` file outside the KEV
    68This week
  • CVE-2019-8942WordPress before 4.9.9 and 5.x before 5.0.1 allows remote code execution because an _wp_attached_file Post Meta entry can be changed to an a
    60This week
  • CVE-2022-21661SQL injection in WordPress
    59Plan
  • CVE-2026-60137WordPress < 7.0.2 - Facilitated SQL Injection via author__not_in in WP_QueryKEV
    55Plan
  • CVE-2017-1001000The register_routes function in wp-includes/rest-api/endpoints/class-wp-rest-posts-controller.php in the REST API in WordPress 4.7.x before
    55Plan

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

Product / packageFixed versionSource
debian:wordpress4.7.5+dfsg-2 · Debian:12Package registry (OSV)

Exploit status

Proof of concept available

A public proof of concept or detection signature exists. Exploit knowledge is out there; don't delay patching.

Evidence

  • Exploit-DB entry ×1
  • Proof-of-concept repository on GitHub ×3

Noroxi does not host or link to exploit code. Metasploit module names and Nuclei template ids are shown (names, not code); Exploit-DB entries and PoC repositories are given as counts only.

Public exploit evidence
SourceKindDate
Exploit-DB entrywebapps2017-05-03
Proof-of-concept repository on GitHubstars:02017-05-04
Proof-of-concept repository on GitHubstars:22017-05-05
Proof-of-concept repository on GitHubstars:202017-05-06

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

  1. First PoC-1 d
  2. Published
  3. TodaySep 30, 2026+3437 d
EPSS, last 120 days

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Patch and commit links

Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.

No commit or PR link among the references.

Credits

All researchers

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

No credits in the CNA record.

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

No nightly-computed relations.

Chain candidates

An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.

—

Bug bounty scope

The product’s vendor appears in a public program. Matched by name; verify the scope text in the program.

Technical details

Attack conditions

  • Anyone who can reach it over the internet can trigger it.
  • No account or password is required.
  • No user action is required.
  • Special conditions such as timing or configuration are required.

If successful

Confidentiality
none
Integrity
high · data or configuration can be modified
Availability
none
Attack vector
Network
Attack complexity
High
Privileges required
None
User interaction
None
Scope
Unchanged
Confidentiality impact
None
Integrity impact
High
Availability impact
None

Weakness class (CWE)

CWE-640 · Weak Password Recovery Mechanism for Forgotten Password

CVSS vector

CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N

nvd-primary

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

ATT&CK techniques

—

Change log

  1. Fix✗ → ✓

For records you follow, these changes also arrive as notifications. →

References

Vendor advisories and official records. Exploit/PoC links are deliberately left out.

All records