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CVE-2015-5687· NVD / CVE Program· CNA mitre

system/session/drivers/cookie.php in Anchor CMS 0.9.x allows remote attackers to conduct PHP object injection attacks and execute arbitrary

system/session/drivers/cookie.php in Anchor CMS 0.9.x allows remote attackers to conduct PHP object injection attacks and execute arbitrary PHP code via a crafted serialized object in a cookie.

HighCVSS 7.5 · v2.0—No exploit No fix recorded
Published
Oct 5, 2015
Updated
Jun 16, 2026
EPSS
2.5% · 84th percentile
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Report tools

JSON

Action score

31

Monitor

Low priority for now.

CVSS
30 / 40 · 7.5 / 10
CISA KEV
0 / 30 · Not listed
EPSS
1 / 30 · 2.5%

Noroxi analysis

No Noroxi analysis for this record yet

We don't hand-write analysis for the hundreds of thousands of vulnerabilities in the database; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.

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Affected systems

VendorProduct
anchorcmsanchor cms

Affected versions

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

  • anchorcms anchor cms0.9.1
  • anchorcms anchor cms0.9.2
  • anchorcms anchor cms0.9.3

Same product

anchorcms: all records

Other highest-scoring records for the same primary product.

  • CVE-2020-23342A CSRF vulnerability exists in Anchor CMS 0.12.7 anchor/views/users/edit.php that can change the Delete admin users.
    39Monitor
  • CVE-2026-88959Anchor CMS through 0.12.7 Privilege Escalation via Missing Authorization on Admin User-Management Endpoints
    34Monitor
  • CVE-2024-37732Cross Site Scripting vulnerability in Anchor CMS v.0.12.7 allows a remote attacker to execute arbitrary code via a crafted .pdf file.
    29Monitor
  • CVE-2024-29499Anchor CMS v0.12.7 was discovered to contain a Cross-Site Request Forgery (CSRF) via /anchor/admin/users/delete/2.
    29Monitor
  • CVE-2021-44116Cross Site Scripting (XSS) vulnerability exits in Anchor CMS <=0.12.7 in posts.php.
    24Monitor
  • CVE-2015-5060Cross-site scripting (XSS) vulnerability in anchor-cms before 0.9-dev.
    24Monitor

Remediation

Which version to upgrade to

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

No fix version is recorded for this entry. Check the references for vendor advisories.

Exploit status

No known public exploit

No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.

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.

No dated events beyond publication.

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.

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

No known public program.

Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).

Technical details

Attack conditions

  • No special conditions are required; it is repeatable.

If successful

Confidentiality
P · data can be read
Integrity
P · data or configuration can be modified
Availability
P · the service can be disrupted
Attack complexity
Low
Confidentiality impact
P
Integrity impact
P
Availability impact
P

Weakness class (CWE)

CWE-94 · Improper Control of Generation of Code ('Code Injection')

CVSS vector

AV:N/AC:L/Au:N/C:P/I:P/A:P

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.

Change log

No changes recorded on tracked fields yet. Score, KEV, exploit maturity and fix status changes appear here.

References

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

All records